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12606017457 = 31119103195197
BaseRepresentation
bin10111011110110000…
…01000111110110001
31012112112110001000110
423233120020332301
5201304120024312
65442514411533
7624250244325
oct135730107661
935475401013
1012606017457
11538984a550
122539890ba9
13125b889337
148782cd985
154dba7b43c
hex2ef608fb1

12606017457 has 32 divisors (see below), whose sum is σ = 19488568320. Its totient is φ = 7167597120.

The previous prime is 12606017449. The next prime is 12606017461. The reversal of 12606017457 is 75471060621.

It is not a de Polignac number, because 12606017457 - 23 = 12606017449 is a prime.

It is a super-2 number, since 2×126060174572 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12606017357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33018 + ... + 162179.

It is an arithmetic number, because the mean of its divisors is an integer number (609017760).

Almost surely, 212606017457 is an apocalyptic number.

It is an amenable number.

12606017457 is a deficient number, since it is larger than the sum of its proper divisors (6882550863).

12606017457 is a wasteful number, since it uses less digits than its factorization.

12606017457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195333.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 12606017457 in words is "twelve billion, six hundred six million, seventeen thousand, four hundred fifty-seven".

Divisors: 1 3 11 19 33 57 103 209 309 627 1133 1957 3399 5871 21527 64581 195197 585591 2147167 3708743 6441501 11126229 20105291 40796173 60315873 122388519 221158201 382000529 663474603 1146001587 4202005819 12606017457