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100512050331 = 37111492920249
BaseRepresentation
bin101110110011011111…
…1000010110010011011
3100121102212011012020210
41131212333002302123
53121322041102311
6114101414022203
710155532221420
oct1354677026233
9317385135223
10100512050331
11396994830a0
1217591347963
13962a9236c4
144c17071d47
1529341833a6
hex1766fc2c9b

100512050331 has 32 divisors (see below), whose sum is σ = 168206400000. Its totient is φ = 51863604480.

The previous prime is 100512050329. The next prime is 100512050357. The reversal of 100512050331 is 133050215001.

It is not a de Polignac number, because 100512050331 - 21 = 100512050329 is a prime.

It is a super-2 number, since 2×1005120503312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 100512050298 and 100512050307.

It is not an unprimeable number, because it can be changed into a prime (100512050311) 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, 1425706 + ... + 1494543.

It is an arithmetic number, because the mean of its divisors is an integer number (5256450000).

Almost surely, 2100512050331 is an apocalyptic number.

100512050331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100512050331 is a deficient number, since it is larger than the sum of its proper divisors (67694349669).

100512050331 is a wasteful number, since it uses less digits than its factorization.

100512050331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920419.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 100512050331 its reverse (133050215001), we get a palindrome (233562265332).

The spelling of 100512050331 in words is "one hundred billion, five hundred twelve million, fifty thousand, three hundred thirty-one".

Divisors: 1 3 7 11 21 33 77 149 231 447 1043 1639 3129 4917 11473 34419 2920249 8760747 20441743 32122739 61325229 96368217 224859173 435117101 674577519 1305351303 3045819707 4786288111 9137459121 14358864333 33504016777 100512050331