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1030130120220 = 223561281456317
BaseRepresentation
bin11101111110110001000…
…10100011011000011100
310122110221112120010020120
432333120202203120130
5113334201302321340
62105122451314540
7134265404356065
oct16773042433034
93573845503216
101030130120220
1136796a6631a3
121477905aba50
13761aa5bc046
1437c03c8356c
151bbe19e44d0
hexefd88a361c

1030130120220 has 48 divisors (see below), whose sum is σ = 2931649008288. Its totient is φ = 270198063360.

The previous prime is 1030130120197. The next prime is 1030130120263. The reversal of 1030130120220 is 220210310301.

It is a super-2 number, since 2×10301301202202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1030130120220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140724499 + ... + 140731818.

It is an arithmetic number, because the mean of its divisors is an integer number (61076021006).

Almost surely, 21030130120220 is an apocalyptic number.

1030130120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030130120220 is an abundant number, since it is smaller than the sum of its proper divisors (1901518888068).

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

1030130120220 is a wasteful number, since it uses less digits than its factorization.

1030130120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281456390 (or 281456388 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1030130120220 its reverse (220210310301), we get a palindrome (1250340430521).

The spelling of 1030130120220 in words is "one trillion, thirty billion, one hundred thirty million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61 122 183 244 305 366 610 732 915 1220 1830 3660 281456317 562912634 844368951 1125825268 1407281585 1688737902 2814563170 3377475804 4221844755 5629126340 8443689510 16887379020 17168835337 34337670674 51506506011 68675341348 85844176685 103013012022 171688353370 206026024044 257532530055 343376706740 515065060110 1030130120220