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8472125107 = 47199905819
BaseRepresentation
bin1111110001111101…
…00101111010110011
3210212102210112210101
413320332211322303
5114322331000412
63520403013231
7416642606125
oct77076457263
923772715711
108472125107
113658325a96
12178536a217
13a502b85a4
145a5285215
15348ba9457
hex1f8fa5eb3

8472125107 has 8 divisors (see below), whose sum is σ = 8695872000. Its totient is φ = 8250190344.

The previous prime is 8472125093. The next prime is 8472125131. The reversal of 8472125107 is 7015212748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8472125107 - 27 = 8472124979 is a prime.

It is a super-2 number, since 2×84721251072 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8472125507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443557 + ... + 462262.

It is an arithmetic number, because the mean of its divisors is an integer number (1086984000).

Almost surely, 28472125107 is an apocalyptic number.

8472125107 is a deficient number, since it is larger than the sum of its proper divisors (223746893).

8472125107 is a wasteful number, since it uses less digits than its factorization.

8472125107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906065.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 8472125107 is about 92044.1475977696. The cubic root of 8472125107 is about 2038.5942117764.

The spelling of 8472125107 in words is "eight billion, four hundred seventy-two million, one hundred twenty-five thousand, one hundred seven".

Divisors: 1 47 199 9353 905819 42573493 180257981 8472125107