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23475144157432 = 23113314967162257
BaseRepresentation
bin1010101011001101110111…
…01000001110100011111000
310002010012110011021212100121
411111212323220032203320
511034104043401014212
6121532155441543024
74642010646001132
oct525467350164370
9102105404255317
1023475144157432
117530830976860
122771782344a74
13101390955c946
145b22bb1d8052
152aa998013d07
hex1559bba0e8f8

23475144157432 has 64 divisors (see below), whose sum is σ = 48172401181440. Its totient is φ = 10636075507200.

The previous prime is 23475144157373. The next prime is 23475144157463.

23475144157432 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 23475144157432.

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, 144597648 + ... + 144759904.

It is an arithmetic number, because the mean of its divisors is an integer number (752693768460).

Almost surely, 223475144157432 is an apocalyptic number.

23475144157432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23475144157432 is an abundant number, since it is smaller than the sum of its proper divisors (24697257024008).

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

23475144157432 is a wasteful number, since it uses less digits than its factorization.

23475144157432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167572 (or 167568 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 52.

The spelling of 23475144157432 in words is "twenty-three trillion, four hundred seventy-five billion, one hundred forty-four million, one hundred fifty-seven thousand, four hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 331 662 1324 2648 3641 4967 7282 9934 14564 19868 29128 39736 54637 109274 162257 218548 324514 437096 649028 1298056 1644077 1784827 3288154 3569654 6576308 7139308 13152616 14278616 18084847 36169694 53707067 72339388 107414134 144678776 214828268 429656536 590777737 805930519 1181555474 1611861038 2363110948 3223722076 4726221896 6447444152 8865235709 17730471418 35460942836 70921885672 266763001789 533526003578 1067052007156 2134104014312 2934393019679 5868786039358 11737572078716 23475144157432