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45074178732 = 22311887384973
BaseRepresentation
bin101001111110101000…
…010110001010101100
311022100022000112011010
4221332220112022230
51214302442204412
632412400025220
73153660124542
oct517650261254
9138308015133
1045074178732
1118130220690
12889b302210
1343343b399b
14227845bd92
15128c1e233c
hexa7ea162ac

45074178732 has 48 divisors (see below), whose sum is σ = 114863922432. Its totient is φ = 13643407680.

The previous prime is 45074178731. The next prime is 45074178767. The reversal of 45074178732 is 23787147054.

45074178732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×450741787325 (a number of 54 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (45074178731) 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, 75403 + ... + 309570.

It is an arithmetic number, because the mean of its divisors is an integer number (2392998384).

Almost surely, 245074178732 is an apocalyptic number.

It is an amenable number.

45074178732 is an abundant number, since it is smaller than the sum of its proper divisors (69789743700).

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

45074178732 is a wasteful number, since it uses less digits than its factorization.

45074178732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385878 (or 385876 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 45074178732 in words is "forty-five billion, seventy-four million, one hundred seventy-eight thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 887 1774 2661 3548 5322 9757 10644 19514 29271 39028 58542 117084 384973 769946 1154919 1539892 2309838 4234703 4619676 8469406 12704109 16938812 25408218 50816436 341471051 682942102 1024413153 1365884204 2048826306 3756181561 4097652612 7512363122 11268544683 15024726244 22537089366 45074178732