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23021466072 = 23311467918637
BaseRepresentation
bin10101011100001011…
…111011000111011000
32012102101221122111120
4111130023323013120
5334121443403242
614324221525240
71443331142613
oct253413730730
965371848446
1023021466072
119844021220
124565a13820
13222b666997
1411856b917a
158eb1501ec
hex55c2fb1d8

23021466072 has 64 divisors (see below), whose sum is σ = 62802604800. Its totient is φ = 6974336640.

The previous prime is 23021466059. The next prime is 23021466133. The reversal of 23021466072 is 27066412032.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225938 + ... + 1244574.

It is an arithmetic number, because the mean of its divisors is an integer number (981290700).

Almost surely, 223021466072 is an apocalyptic number.

23021466072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23021466072 is an abundant number, since it is smaller than the sum of its proper divisors (39781138728).

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

23021466072 is a wasteful number, since it uses less digits than its factorization.

23021466072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336 (or 23332 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 23021466072 in words is "twenty-three billion, twenty-one million, four hundred sixty-six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 4679 9358 14037 18637 18716 28074 37274 37432 51469 55911 56148 74548 102938 111822 112296 149096 154407 205007 205876 223644 308814 410014 411752 447288 615021 617628 820028 1230042 1235256 1640056 2460084 4920168 87202523 174405046 261607569 348810092 523215138 697620184 959227753 1046430276 1918455506 2092860552 2877683259 3836911012 5755366518 7673822024 11510733036 23021466072