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23457743047205 = 511743739949493
BaseRepresentation
bin1010101010101101011100…
…11100010000101000100101
310002001112112110000212122122
411111112232130100220211
511033312424210002310
6121520201031435325
74640523512002265
oct525265634205045
9102045473025578
1023457743047205
117524411454125
12276a326825b45
13101209542980c
145b150a1457a5
152aa2ca509555
hex1555ae710a25

23457743047205 has 8 divisors (see below), whose sum is σ = 28149532058232. Its totient is φ = 18766034170048.

The previous prime is 23457743047171. The next prime is 23457743047267. The reversal of 23457743047205 is 50274034775432.

It can be written as a sum of positive squares in 4 ways, for example, as 6174782677921 + 17282960369284 = 2484911^2 + 4157278^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23457743047205 - 226 = 23457675938341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19387562 + ... + 20561931.

It is an arithmetic number, because the mean of its divisors is an integer number (3518691507279).

Almost surely, 223457743047205 is an apocalyptic number.

It is an amenable number.

23457743047205 is a deficient number, since it is larger than the sum of its proper divisors (4691789011027).

23457743047205 is a wasteful number, since it uses less digits than its factorization.

23457743047205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40066935.

The product of its (nonzero) digits is 19756800, while the sum is 53.

The spelling of 23457743047205 in words is "twenty-three trillion, four hundred fifty-seven billion, seven hundred forty-three million, forty-seven thousand, two hundred five".

Divisors: 1 5 117437 587185 39949493 199747465 4691548609441 23457743047205