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2157463004 = 222918598819
BaseRepresentation
bin1000000010011000…
…0100010111011100
312120100122110212012
42000212010113130
513404302304004
6554025530352
7104315063414
oct20046042734
95510573765
102157463004
11a07916984
125026439b8
13284c8a138
14166767644
15c961846e
hex809845dc

2157463004 has 12 divisors (see below), whose sum is σ = 3905752200. Its totient is φ = 1041533808.

The previous prime is 2157462991. The next prime is 2157463019. The reversal of 2157463004 is 4003647512.

It is a super-3 number, since 3×21574630043 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9299294 + ... + 9299525.

It is an arithmetic number, because the mean of its divisors is an integer number (325479350).

Almost surely, 22157463004 is an apocalyptic number.

It is an amenable number.

2157463004 is a deficient number, since it is larger than the sum of its proper divisors (1748289196).

2157463004 is a wasteful number, since it uses less digits than its factorization.

2157463004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18598852 (or 18598850 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2157463004 is about 46448.4984041465. The cubic root of 2157463004 is about 1292.1545238793.

The spelling of 2157463004 in words is "two billion, one hundred fifty-seven million, four hundred sixty-three thousand, four".

Divisors: 1 2 4 29 58 116 18598819 37197638 74395276 539365751 1078731502 2157463004