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23381142554 = 2711151825601
BaseRepresentation
bin10101110001100111…
…111110110000011010
32020100110202002212202
4111301213332300122
5340341033030204
614424031010202
71455256301240
oct256147766032
966313662782
1023381142554
119a09055510
124646369962
13228802a3c3
1411bb384790
1591c9eae1e
hex5719fec1a

23381142554 has 16 divisors (see below), whose sum is σ = 43725773376. Its totient is φ = 9109536000.

The previous prime is 23381142541. The next prime is 23381142643. The reversal of 23381142554 is 45524118332.

It is a Curzon 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, 75912647 + ... + 75912954.

It is an arithmetic number, because the mean of its divisors is an integer number (2732860836).

Almost surely, 223381142554 is an apocalyptic number.

23381142554 is a deficient number, since it is larger than the sum of its proper divisors (20344630822).

23381142554 is a wasteful number, since it uses less digits than its factorization.

23381142554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151825621.

The product of its digits is 115200, while the sum is 38.

The spelling of 23381142554 in words is "twenty-three billion, three hundred eighty-one million, one hundred forty-two thousand, five hundred fifty-four".

Divisors: 1 2 7 11 14 22 77 154 151825601 303651202 1062779207 1670081611 2125558414 3340163222 11690571277 23381142554