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172555107213 = 3136914201181
BaseRepresentation
bin1010000010110100010…
…1011111101110001101
3121111101122212200021210
42200231011133232031
510311343101412323
6211134250445033
715316035132216
oct2405505375615
9544348780253
10172555107213
11671a8950025
1229538433779
131336c40c448
1484cd15040d
15474dd0e293
hex282d15fb8d

172555107213 has 8 divisors (see below), whose sum is σ = 230090335776. Its totient is φ = 115028308400.

The previous prime is 172555107199. The next prime is 172555107227. The reversal of 172555107213 is 312701555271.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (172555107199) and next prime (172555107227).

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 172555107213 - 212 = 172555103117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172555107913) 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, 2059518 + ... + 2141663.

It is an arithmetic number, because the mean of its divisors is an integer number (28761291972).

Almost surely, 2172555107213 is an apocalyptic number.

It is an amenable number.

172555107213 is a deficient number, since it is larger than the sum of its proper divisors (57535228563).

172555107213 is a wasteful number, since it uses less digits than its factorization.

172555107213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214875.

The product of its (nonzero) digits is 73500, while the sum is 39.

The spelling of 172555107213 in words is "one hundred seventy-two billion, five hundred fifty-five million, one hundred seven thousand, two hundred thirteen".

Divisors: 1 3 13691 41073 4201181 12603543 57518369071 172555107213