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23469293991240 = 23325437691971527
BaseRepresentation
bin1010101011000010111101…
…11011100111010101001000
310002002122100110011122000200
411111201132323213111020
511034010103230204430
6121525351140332200
74641412661261046
oct525413673472510
9102078313148020
1023469293991240
1175292a9684369
12277060b0a4060
1310131b6535246
145b1cc426d396
152aa754626460
hex15585eee7548

23469293991240 has 192 divisors, whose sum is σ = 78150581308800. Its totient is φ = 6104980094976.

The previous prime is 23469293991233. The next prime is 23469293991277. The reversal of 23469293991240 is 4219939296432.

23469293991240 is a `hidden beast` number, since 2 + 34 + 6 + 92 + 9 + 399 + 124 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10918357 + ... + 12889883.

It is an arithmetic number, because the mean of its divisors is an integer number (407034277650).

Almost surely, 223469293991240 is an apocalyptic number.

23469293991240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23469293991240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39075290654400).

23469293991240 is an abundant number, since it is smaller than the sum of its proper divisors (54681287317560).

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

23469293991240 is a wasteful number, since it uses less digits than its factorization.

23469293991240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972356 (or 1972349 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 63.

The spelling of 23469293991240 in words is "twenty-three trillion, four hundred sixty-nine billion, two hundred ninety-three million, nine hundred ninety-one thousand, two hundred forty".