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102151001151561 = 31091151932054249
BaseRepresentation
bin10111001110011111100010…
…001000110001100001001001
3111101200112120220110122212210
4113032133202020301201021
5101342120222243322221
61001131304434255333
730342111015226635
oct2716374210614111
9441615526418783
10102151001151561
112a603aa609609a
12b55966b727549
1344cca4b4aab2b
141b321c5dbddc5
15bc22ae1d9276
hex5ce7e2231849

102151001151561 has 16 divisors (see below), whose sum is σ = 136335215016000. Its totient is φ = 68033735642880.

The previous prime is 102151001151553. The next prime is 102151001151581. The reversal of 102151001151561 is 165151100151201.

It is not a de Polignac number, because 102151001151561 - 23 = 102151001151553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102151001151581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48699565 + ... + 50753813.

It is an arithmetic number, because the mean of its divisors is an integer number (8520950938500).

Almost surely, 2102151001151561 is an apocalyptic number.

It is an amenable number.

102151001151561 is a deficient number, since it is larger than the sum of its proper divisors (34184213864439).

102151001151561 is a wasteful number, since it uses less digits than its factorization.

102151001151561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070536.

The product of its (nonzero) digits is 1500, while the sum is 30.

The spelling of 102151001151561 in words is "one hundred two trillion, one hundred fifty-one billion, one million, one hundred fifty-one thousand, five hundred sixty-one".

Divisors: 1 3 1091 3273 15193 45579 2054249 6162747 16575563 49726689 2241185659 6723556977 31210205057 93630615171 34050333717187 102151001151561