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10706056405 = 511217695961
BaseRepresentation
bin10011111100010000…
…10111010011010101
31000122010100000102121
421332020113103111
5133411222301110
64530203535541
7526206656302
oct117610272325
930563300377
1010706056405
1145a4320700
1220a952a5b1
13101806a425
14737c360a9
15429d79cda
hex27e2174d5

10706056405 has 12 divisors (see below), whose sum is σ = 14121377676. Its totient is φ = 7786222400.

The previous prime is 10706056363. The next prime is 10706056463. The reversal of 10706056405 is 50465060701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2575968516 + 8130087889 = 50754^2 + 90167^2 .

It is not a de Polignac number, because 10706056405 - 215 = 10706023637 is a prime.

It is a super-2 number, since 2×107060564052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8847376 + ... + 8848585.

It is an arithmetic number, because the mean of its divisors is an integer number (1176781473).

Almost surely, 210706056405 is an apocalyptic number.

It is an amenable number.

10706056405 is a deficient number, since it is larger than the sum of its proper divisors (3415321271).

10706056405 is a wasteful number, since it uses less digits than its factorization.

10706056405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17695988 (or 17695977 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 10706056405 in words is "ten billion, seven hundred six million, fifty-six thousand, four hundred five".

Divisors: 1 5 11 55 121 605 17695961 88479805 194655571 973277855 2141211281 10706056405