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45210115020 = 22357971109723
BaseRepresentation
bin101010000110101110…
…111001101111001100
311022200202210210200110
4222012232321233030
51220042242140040
632434053400020
73160230431340
oct520656715714
9138622723613
1045210115020
111819aa27624
128918939010
1343565ca465
14228c525620
1512990e4980
hexa86bb9bcc

45210115020 has 96 divisors (see below), whose sum is σ = 146163967488. Its totient is φ = 10227197952.

The previous prime is 45210115019. The next prime is 45210115031. The reversal of 45210115020 is 2051101254.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514122 + ... + 595601.

It is an arithmetic number, because the mean of its divisors is an integer number (1522541328).

Almost surely, 245210115020 is an apocalyptic number.

It is an amenable number.

45210115020 is an abundant number, since it is smaller than the sum of its proper divisors (100953852468).

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

45210115020 is a wasteful number, since it uses less digits than its factorization.

45210115020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109839 (or 1109837 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 45210115020 its reverse (2051101254), we get a palindrome (47261216274).

The spelling of 45210115020 in words is "forty-five billion, two hundred ten million, one hundred fifteen thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 97 105 140 194 210 291 388 420 485 582 679 970 1164 1358 1455 1940 2037 2716 2910 3395 4074 5820 6790 8148 10185 13580 20370 40740 1109723 2219446 3329169 4438892 5548615 6658338 7768061 11097230 13316676 15536122 16645845 22194460 23304183 31072244 33291690 38840305 46608366 66583380 77680610 93216732 107643131 116520915 155361220 215286262 233041830 322929393 430572524 466083660 538215655 645858786 753501917 1076431310 1291717572 1507003834 1614646965 2152862620 2260505751 3014007668 3229293930 3767509585 4521011502 6458587860 7535019170 9042023004 11302528755 15070038340 22605057510 45210115020