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23213288476 = 22723122329473
BaseRepresentation
bin10101100111100111…
…101010110000011100
32012220202220020101001
4111213213222300130
5340020100212401
614355233200044
71451150460610
oct254747526034
965822806331
1023213288476
119932329234
1245ba100024
13225c319a71
1411a2d6d340
1590cde1601
hex5679eac1c

23213288476 has 48 divisors (see below), whose sum is σ = 48486380544. Its totient is φ = 9507902976.

The previous prime is 23213288443. The next prime is 23213288507. The reversal of 23213288476 is 67488231232.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 772876 + ... + 802348.

It is an arithmetic number, because the mean of its divisors is an integer number (1010132928).

Almost surely, 223213288476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23213288476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24243190272).

23213288476 is an abundant number, since it is smaller than the sum of its proper divisors (25273092068).

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

23213288476 is a wasteful number, since it uses less digits than its factorization.

23213288476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30730 (or 30728 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The spelling of 23213288476 in words is "twenty-three billion, two hundred thirteen million, two hundred eighty-eight thousand, four hundred seventy-six".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 1223 2446 4892 8561 17122 28129 29473 34244 56258 58946 112516 117892 196903 206311 393806 412622 677879 787612 825244 1355758 2711516 4745153 9490306 18980612 36045479 72090958 144181916 252318353 504636706 829046017 1009273412 1658092034 3316184068 5803322119 11606644238 23213288476