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102000303112020 = 223510783111911671
BaseRepresentation
bin10111001100010011001011…
…110101010111111101010100
3111101011010121111112001202220
4113030103023311113331110
5101332133110044041040
61000534143052302340
730325164412100655
oct2714231365277524
9441133544461686
10102000303112020
112a5560a3a67565
12b5344131719b0
1344bb783427731
141b28baba4552c
15bbd3de1c32d0
hex5cc4cbd57f54

102000303112020 has 96 divisors (see below), whose sum is σ = 288304851695616. Its totient is φ = 26942618179200.

The previous prime is 102000303111979. The next prime is 102000303112027. The reversal of 102000303112020 is 20211303000201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000303112027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52400785 + ... + 54312455.

It is an arithmetic number, because the mean of its divisors is an integer number (3003175538496).

Almost surely, 2102000303112020 is an apocalyptic number.

102000303112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102000303112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144152425847808).

102000303112020 is an abundant number, since it is smaller than the sum of its proper divisors (186304548583596).

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

102000303112020 is a wasteful number, since it uses less digits than its factorization.

102000303112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920101 (or 1920099 counting only the distinct ones).

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

Adding to 102000303112020 its reverse (20211303000201), we get a palindrome (122211606112221).

The spelling of 102000303112020 in words is "one hundred two trillion, three hundred three million, one hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 107 214 321 428 535 642 1070 1284 1605 2140 3210 6420 8311 16622 24933 33244 41555 49866 83110 99732 124665 166220 249330 498660 889277 1778554 1911671 2667831 3557108 3823342 4446385 5335662 5735013 7646684 8892770 9558355 10671324 11470026 13339155 17785540 19116710 22940052 26678310 28675065 38233420 53356620 57350130 114700260 204548797 409097594 613646391 818195188 1022743985 1227292782 2045487970 2454585564 3068231955 4090975940 6136463910 12272927820 15887897681 31775795362 47663693043 63551590724 79439488405 95327386086 158878976810 190654772172 238318465215 317757953620 476636930430 953273860860 1700005051867 3400010103734 5100015155601 6800020207468 8500025259335 10200030311202 17000050518670 20400060622404 25500075778005 34000101037340 51000151556010 102000303112020