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23278456014 = 23112176728151
BaseRepresentation
bin10101101011100000…
…010000110011001110
32020002022112002102120
4111223200100303032
5340133241043024
614405522033410
71452601416462
oct255340206316
966068462376
1023278456014
119966099600
124617aa8866
13226c985b38
1411ab8944a2
159139b5479
hex56b810cce

23278456014 has 96 divisors (see below), whose sum is σ = 54995044608. Its totient is φ = 6539808000.

The previous prime is 23278455989. The next prime is 23278456021. The reversal of 23278456014 is 41065487232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 812839 + ... + 840989.

It is an arithmetic number, because the mean of its divisors is an integer number (572865048).

Almost surely, 223278456014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23278456014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27497522304).

23278456014 is an abundant number, since it is smaller than the sum of its proper divisors (31716588594).

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

23278456014 is a wasteful number, since it uses less digits than its factorization.

23278456014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28262 (or 28251 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 23278456014 in words is "twenty-three billion, two hundred seventy-eight million, four hundred fifty-six thousand, fourteen".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 67 102 121 134 187 201 242 363 374 402 561 726 737 1122 1139 1474 2057 2211 2278 3417 4114 4422 6171 6834 8107 12342 12529 16214 24321 25058 28151 37587 48642 56302 75174 84453 137819 168906 275638 309661 413457 478567 619322 826914 928983 957134 1435701 1857966 1886117 2871402 3406271 3772234 5264237 5658351 6812542 10218813 10528474 11316702 15792711 20437626 20747287 31585422 32063989 41494574 57906607 62241861 64127978 96191967 115813214 124483722 173719821 192383934 228220157 347439642 352703879 456440314 684660471 705407758 1058111637 1369320942 2116223274 3879742669 7759485338 11639228007 23278456014