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15384292053 = 313974066691
BaseRepresentation
bin11100101001111100…
…11010101011010101
31110201011021000021120
432110332122223111
5223001334321203
611022322434153
71053144216264
oct162476325325
943634230246
1015384292053
116585039359
122b94202959
1315b234a9c0
14a5d29a5db
15600923b53
hex394f9aad5

15384292053 has 16 divisors (see below), whose sum is σ = 22318005696. Its totient is φ = 9369653760.

The previous prime is 15384292031. The next prime is 15384292057. The reversal of 15384292053 is 35029248351.

It is not a de Polignac number, because 15384292053 - 210 = 15384291029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15384291996 and 15384292014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15384292057) 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, 2029563 + ... + 2037128.

It is an arithmetic number, because the mean of its divisors is an integer number (1394875356).

Almost surely, 215384292053 is an apocalyptic number.

15384292053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15384292053 is a deficient number, since it is larger than the sum of its proper divisors (6933713643).

15384292053 is a wasteful number, since it uses less digits than its factorization.

15384292053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066804.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 15384292053 in words is "fifteen billion, three hundred eighty-four million, two hundred ninety-two thousand, fifty-three".

Divisors: 1 3 13 39 97 291 1261 3783 4066691 12200073 52866983 158600949 394469027 1183407081 5128097351 15384292053