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23313103132 = 221119291377019
BaseRepresentation
bin10101101101100100…
…011011100100011100
32020011201201100100011
4111231210123210130
5340221123300012
614413200413004
71453502051464
oct255544334434
966151640304
1023313103132
119983703490
124627617164
132276bc70a7
1411b2312ba4
15916a5b1a7
hex56d91b91c

23313103132 has 96 divisors (see below), whose sum is σ = 48825504000. Its totient is φ = 9620835840.

The previous prime is 23313103097. The next prime is 23313103147. The reversal of 23313103132 is 23130131332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3317919 + ... + 3324937.

It is an arithmetic number, because the mean of its divisors is an integer number (508599000).

Almost surely, 223313103132 is an apocalyptic number.

23313103132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23313103132 is an abundant number, since it is smaller than the sum of its proper divisors (25512400868).

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

23313103132 is a wasteful number, since it uses less digits than its factorization.

23313103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219 (or 7217 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23313103132 its reverse (23130131332), we get a palindrome (46443234464).

The spelling of 23313103132 in words is "twenty-three billion, three hundred thirteen million, one hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 11 19 22 29 38 44 58 76 116 137 209 274 319 418 548 551 638 836 1102 1276 1507 2204 2603 3014 3973 5206 6028 6061 7019 7946 10412 12122 14038 15892 24244 28076 28633 43703 57266 75487 77209 87406 114532 133361 150974 154418 174812 203551 266722 301948 308836 407102 533444 814204 830357 961603 1466971 1660714 1923206 2239061 2933942 3321428 3846412 3867469 4478122 5867884 7734938 8956244 10577633 15469876 18270457 21155266 27886487 36540914 42310532 42542159 55772974 73081828 85084318 111545948 170168636 200975027 306751357 401950054 529843253 613502714 803900108 1059686506 1227005428 2119373012 5828275783 11656551566 23313103132