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10345047372 = 22321155746901
BaseRepresentation
bin10011010001001110…
…01110010101001100
3222200222000212010200
421220213032111030
5132141313003442
64430310133500
7514234310652
oct115047162514
928628025120
1010345047372
114429567230
122008651290
13c8b32b30a
14701d00dd2
1540831934c
hex2689ce54c

10345047372 has 72 divisors (see below), whose sum is σ = 28579077072. Its totient is φ = 3129168000.

The previous prime is 10345047347. The next prime is 10345047421. The reversal of 10345047372 is 27374054301.

10345047372 is a `hidden beast` number, since 10 + 3 + 4 + 504 + 73 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197122 + ... + 244022.

It is an arithmetic number, because the mean of its divisors is an integer number (396931626).

Almost surely, 210345047372 is an apocalyptic number.

10345047372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10345047372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14289538536).

10345047372 is an abundant number, since it is smaller than the sum of its proper divisors (18234029700).

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

10345047372 is a wasteful number, since it uses less digits than its factorization.

10345047372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47479 (or 47474 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 10345047372 in words is "ten billion, three hundred forty-five million, forty-seven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 557 1114 1671 2228 3342 5013 6127 6684 10026 12254 18381 20052 24508 36762 46901 55143 73524 93802 110286 140703 187604 220572 281406 422109 515911 562812 844218 1031822 1547733 1688436 2063644 3095466 4643199 6190932 9286398 18572796 26123857 52247714 78371571 104495428 156743142 235114713 287362427 313486284 470229426 574724854 862087281 940458852 1149449708 1724174562 2586261843 3448349124 5172523686 10345047372