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210031010032120 = 23513003403812601
BaseRepresentation
bin101111110000010110100111…
…101111101010100111111000
31000112122202202012201011100221
4233300112213233222213320
5210012122002032011440
62022410525231105424
762145145136624044
oct5760264757524770
91015582665634327
10210031010032120
1160a16718736492
121b681500372274
139026abab1ca24
1439c17ab39b024
1519435c661ed4a
hexbf05a7bea9f8

210031010032120 has 32 divisors (see below), whose sum is σ = 472606116876720. Its totient is φ = 84005942803200.

The previous prime is 210031010032099. The next prime is 210031010032199. The reversal of 210031010032120 is 21230010130012.

It is a super-2 number, since 2×2100310100321202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210031010032094 and 210031010032103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201386181 + ... + 202426420.

Almost surely, 2210031010032120 is an apocalyptic number.

210031010032120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210031010032120 is an abundant number, since it is smaller than the sum of its proper divisors (262575106844600).

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

210031010032120 is a wasteful number, since it uses less digits than its factorization.

210031010032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403825615 (or 403825611 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210031010032120 its reverse (21230010130012), we get a palindrome (231261020162132).

The spelling of 210031010032120 in words is "two hundred ten trillion, thirty-one billion, ten million, thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 13003 26006 52012 65015 104024 130030 260060 520120 403812601 807625202 1615250404 2019063005 3230500808 4038126010 8076252020 16152504040 5250775250803 10501550501606 21003101003212 26253876254015 42006202006424 52507752508030 105015505016060 210031010032120