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23045441478 = 2331311398393
BaseRepresentation
bin10101011101100111…
…011000011111000110
32012111002001201120120
4111131213120133012
5334144113111403
614330435442410
71444042010013
oct253547303706
965432051516
1023045441478
119856607304
124571a56406
13223360c707
14118895a70a
158ed2d8e53
hex55d9d87c6

23045441478 has 32 divisors (see below), whose sum is σ = 47730788352. Its totient is φ = 7410091200.

The previous prime is 23045441431. The next prime is 23045441479. The reversal of 23045441478 is 87414454032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045441479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141351 + ... + 257042.

It is an arithmetic number, because the mean of its divisors is an integer number (1491587136).

Almost surely, 223045441478 is an apocalyptic number.

23045441478 is an abundant number, since it is smaller than the sum of its proper divisors (24685346874).

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

23045441478 is a wasteful number, since it uses less digits than its factorization.

23045441478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398740.

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 23045441478 in words is "twenty-three billion, forty-five million, four hundred forty-one thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 31 62 93 186 311 622 933 1866 9641 19282 28923 57846 398393 796786 1195179 2390358 12350183 24700366 37050549 74101098 123900223 247800446 371700669 743401338 3840906913 7681813826 11522720739 23045441478