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13232011020 = 22351093201769
BaseRepresentation
bin11000101001011000…
…00111011100001100
31021011011100210202020
430110230013130030
5204044343323040
610024555530140
7645621144414
oct142454073414
937134323666
1013232011020
1156801417a8
122693459950
13132b486427
148d74c1644
155269d0cd0
hex314b0770c

13232011020 has 48 divisors (see below), whose sum is σ = 37083711840. Its totient is φ = 3525290496.

The previous prime is 13232011019. The next prime is 13232011087. The reversal of 13232011020 is 2011023231.

It is a super-2 number, since 2×132320110202 (a number of 21 digits) contains 22 as substring.

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

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, 35305 + ... + 166464.

It is an arithmetic number, because the mean of its divisors is an integer number (772577330).

Almost surely, 213232011020 is an apocalyptic number.

13232011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13232011020 is an abundant number, since it is smaller than the sum of its proper divisors (23851700820).

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

13232011020 is a wasteful number, since it uses less digits than its factorization.

13232011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202874 (or 202872 counting only the distinct ones).

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

Adding to 13232011020 its reverse (2011023231), we get a palindrome (15243034251).

The spelling of 13232011020 in words is "thirteen billion, two hundred thirty-two million, eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1093 2186 3279 4372 5465 6558 10930 13116 16395 21860 32790 65580 201769 403538 605307 807076 1008845 1210614 2017690 2421228 3026535 4035380 6053070 12106140 220533517 441067034 661600551 882134068 1102667585 1323201102 2205335170 2646402204 3308002755 4410670340 6616005510 13232011020