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45530261812 = 2272979709769
BaseRepresentation
bin101010011001110100…
…001010100100110100
311100112002012221112001
4222121310022210310
51221221221334222
632525531305044
73201165561040
oct523164124464
9140462187461
1045530261812
1118344711652
1289a7bab184
1343a7a30429
1422bcc61020
1512b7282e27
hexa99d0a934

45530261812 has 48 divisors (see below), whose sum is σ = 95393088000. Its totient is φ = 18601599744.

The previous prime is 45530261789. The next prime is 45530261837. The reversal of 45530261812 is 21816203554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290737 + ... + 419032.

It is an arithmetic number, because the mean of its divisors is an integer number (1987356000).

Almost surely, 245530261812 is an apocalyptic number.

It is an amenable number.

45530261812 is an abundant number, since it is smaller than the sum of its proper divisors (49862826188).

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

45530261812 is a wasteful number, since it uses less digits than its factorization.

45530261812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709888 (or 709886 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 45530261812 in words is "forty-five billion, five hundred thirty million, two hundred sixty-one thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 29 58 79 116 158 203 316 406 553 812 1106 2212 2291 4582 9164 16037 32074 64148 709769 1419538 2839076 4968383 9936766 19873532 20583301 41166602 56071751 82333204 112143502 144083107 224287004 288166214 392502257 576332428 785004514 1570009028 1626080779 3252161558 6504323116 11382565453 22765130906 45530261812