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71412510020 = 225231031507229
BaseRepresentation
bin100001010000010000…
…1000110110101000100
320211022212020101100112
41002200201012311010
52132223100310040
652450105532152
75105445214445
oct1024041066504
9224285211315
1071412510020
1128316555825
1211a0baa4058
136970c862b7
1436564632cc
151cce627365
hex10a0846d44

71412510020 has 48 divisors (see below), whose sum is σ = 158005935360. Its totient is φ = 27057757056.

The previous prime is 71412510019. The next prime is 71412510031. The reversal of 71412510020 is 2001521417.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 706235 + ... + 800994.

It is an arithmetic number, because the mean of its divisors is an integer number (3291790320).

Almost surely, 271412510020 is an apocalyptic number.

It is an amenable number.

71412510020 is an abundant number, since it is smaller than the sum of its proper divisors (86593425340).

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

71412510020 is a wasteful number, since it uses less digits than its factorization.

71412510020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507364 (or 1507362 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The spelling of 71412510020 in words is "seventy-one billion, four hundred twelve million, five hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 103 115 206 230 412 460 515 1030 2060 2369 4738 9476 11845 23690 47380 1507229 3014458 6028916 7536145 15072290 30144580 34666267 69332534 138665068 155244587 173331335 310489174 346662670 620978348 693325340 776222935 1552445870 3104891740 3570625501 7141251002 14282502004 17853127505 35706255010 71412510020