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23455890145275 = 352789501998719
BaseRepresentation
bin1010101010101001111111…
…11111111111111111111011
310002001100202022110201001020
411111110333333333333323
511033300130334122100
6121515253121353523
74640426552412660
oct525247777777773
9102040668421036
1023455890145275
117523650547515
122769aaa1988a3
131011b5b5a6543
145b13b201ba67
152aa21ca015a0
hex15553ffffffb

23455890145275 has 48 divisors (see below), whose sum is σ = 44818445721600. Its totient is φ = 10602212924160.

The previous prime is 23455890145271. The next prime is 23455890145327. The reversal of 23455890145275 is 57254109855432.

It is not a de Polignac number, because 23455890145275 - 22 = 23455890145271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23455890145271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250952635 + ... + 251046084.

It is an arithmetic number, because the mean of its divisors is an integer number (933717619200).

Almost surely, 223455890145275 is an apocalyptic number.

23455890145275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23455890145275 is a deficient number, since it is larger than the sum of its proper divisors (21362555576325).

23455890145275 is a wasteful number, since it uses less digits than its factorization.

23455890145275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501998828 (or 501998823 counting only the distinct ones).

The product of its (nonzero) digits is 60480000, while the sum is 60.

The spelling of 23455890145275 in words is "twenty-three trillion, four hundred fifty-five billion, eight hundred ninety million, one hundred forty-five thousand, two hundred seventy-five".

Divisors: 1 3 5 7 15 21 25 35 75 89 105 175 267 445 525 623 1335 1869 2225 3115 6675 9345 15575 46725 501998719 1505996157 2509993595 3513991033 7529980785 10541973099 12549967975 17569955165 37649903925 44677885991 52709865495 87849775825 134033657973 223389429955 263549327475 312745201937 670168289865 938235605811 1116947149775 1563726009685 3350841449325 4691178029055 7818630048425 23455890145275