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100220023508 = 221137333118481
BaseRepresentation
bin101110101010110010…
…1000011001011010100
3100120200111122200202112
41131111211003023110
53120222311223013
6114012422530152
710145355100313
oct1352545031324
9316614580675
10100220023508
1139559655010
121750b596958
1395b2287a77
144bca37627a
1529186ebba8
hex17559432d4

100220023508 has 48 divisors (see below), whose sum is σ = 196569820608. Its totient is φ = 44307648000.

The previous prime is 100220023493. The next prime is 100220023531. The reversal of 100220023508 is 805320022001.

100220023508 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1002200235082 (a number of 23 digits) contains 22 as substring.

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, 5413628 + ... + 5432108.

It is an arithmetic number, because the mean of its divisors is an integer number (4095204596).

Almost surely, 2100220023508 is an apocalyptic number.

It is an amenable number.

100220023508 is a deficient number, since it is larger than the sum of its proper divisors (96349797100).

100220023508 is a wasteful number, since it uses less digits than its factorization.

100220023508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21864 (or 21862 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 100220023508 its reverse (805320022001), we get a palindrome (905540045509).

The spelling of 100220023508 in words is "one hundred billion, two hundred twenty million, twenty-three thousand, five hundred eight".

Divisors: 1 2 4 11 22 37 44 74 148 407 814 1628 3331 6662 13324 18481 36641 36962 73282 73924 123247 146564 203291 246494 406582 492988 683797 813164 1355717 1367594 2711434 2735188 5422868 7521767 15043534 30087068 61560211 123120422 246240844 677162321 1354324642 2277727807 2708649284 4555455614 9110911228 25055005877 50110011754 100220023508