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32130312003020 = 225711210118779333
BaseRepresentation
bin1110100111000111010111…
…10101010101110111001100
311012202121221200120020202102
413103203223311111313030
513202410334333044040
6152200243410414232
76524224040552360
oct723435365256714
9135677850506672
1032130312003020
11a268430543500
12372b0a0591378
1314c0b4c3b93ca
147d11889212a0
153aabb31ea515
hex1d38ebd55dcc

32130312003020 has 144 divisors (see below), whose sum is σ = 85599509534784. Its totient is φ = 9915487296000.

The previous prime is 32130312002993. The next prime is 32130312003037. The reversal of 32130312003020 is 2030021303123.

It is a super-2 number, since 2×321303120030202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32130312002983 and 32130312003001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7678727 + ... + 11100606.

It is an arithmetic number, because the mean of its divisors is an integer number (594441038436).

Almost surely, 232130312003020 is an apocalyptic number.

It is an amenable number.

32130312003020 is an abundant number, since it is smaller than the sum of its proper divisors (53469197531764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32130312003020 is a wasteful number, since it uses less digits than its factorization.

32130312003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18779472 (or 18779459 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32130312003020 its reverse (2030021303123), we get a palindrome (34160333306143).

The spelling of 32130312003020 in words is "thirty-two trillion, one hundred thirty billion, three hundred twelve million, three thousand, twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 101 110 121 140 154 202 220 242 308 385 404 484 505 605 707 770 847 1010 1111 1210 1414 1540 1694 2020 2222 2420 2828 3388 3535 4235 4444 5555 7070 7777 8470 11110 12221 14140 15554 16940 22220 24442 31108 38885 48884 61105 77770 85547 122210 155540 171094 244420 342188 427735 855470 1710940 18779333 37558666 75117332 93896665 131455331 187793330 206572663 262910662 375586660 413145326 525821324 657276655 826290652 1032863315 1314553310 1446008641 1896712633 2065726630 2272299293 2629106620 2892017282 3793425266 4131453260 4544598586 5784034564 7230043205 7586850532 9089197172 9483563165 11361496465 13276988431 14460086410 15906095051 18967126330 20863838963 22722992930 26553976862 28920172820 31812190102 37934252660 41727677926 45445985860 53107953724 63624380204 66384942155 79530475255 83455355852 104319194815 132769884310 146046872741 159060950510 208638389630 229502228593 265539768620 292093745482 318121901020 417276779260 459004457186 584187490964 730234363705 918008914372 1147511142965 1460468727410 1606515600151 2295022285930 2920937454820 3213031200302 4590044571860 6426062400604 8032578000755 16065156001510 32130312003020