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10143553131 = 374638113
BaseRepresentation
bin10010111001001101…
…00101011001101011
3222011220212220000000
421130212211121223
5131233222200011
64354311314043
7506236531125
oct113446453153
928156786000
1010143553131
114335853668
121b7107b923
13c5866cb5a
146c3250215
153e57b7356
hex25c9a566b

10143553131 has 16 divisors (see below), whose sum is σ = 15213013920. Its totient is φ = 6762367296.

The previous prime is 10143553117. The next prime is 10143553139. The reversal of 10143553131 is 13135534101.

It is a happy number.

10143553131 is a `hidden beast` number, since 101 + 4 + 3 + 553 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 10143553131 - 25 = 10143553099 is a prime.

It is a super-2 number, since 2×101435531312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10143553095 and 10143553104.

It is not an unprimeable number, because it can be changed into a prime (10143553139) 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, 2316870 + ... + 2321243.

It is an arithmetic number, because the mean of its divisors is an integer number (950813370).

Almost surely, 210143553131 is an apocalyptic number.

10143553131 is a deficient number, since it is larger than the sum of its proper divisors (5069460789).

10143553131 is an frugal number, since it uses more digits than its factorization.

10143553131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638134 (or 4638116 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 10143553131 in words is "ten billion, one hundred forty-three million, five hundred fifty-three thousand, one hundred thirty-one".

Divisors: 1 3 9 27 81 243 729 2187 4638113 13914339 41743017 125229051 375687153 1127061459 3381184377 10143553131