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10605749090 = 251060574909
BaseRepresentation
bin10011110000010011…
…01110001101100010
31000101010120212122212
421320021232031202
5133210032432330
64512222002122
7523551244166
oct117011561542
930333525585
1010605749090
11455273a2a2
12207ba16342
131000349aa1
147287a4ca6
15421164295
hex27826e362

10605749090 has 8 divisors (see below), whose sum is σ = 19090348380. Its totient is φ = 4242299632.

The previous prime is 10605749071. The next prime is 10605749093. The reversal of 10605749090 is 9094750601.

It can be written as a sum of positive squares in 2 ways, for example, as 10233143281 + 372605809 = 101159^2 + 19303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106057490902 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10605749093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530287445 + ... + 530287464.

Almost surely, 210605749090 is an apocalyptic number.

10605749090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10605749090 is a deficient number, since it is larger than the sum of its proper divisors (8484599290).

10605749090 is a wasteful number, since it uses less digits than its factorization.

10605749090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060574916.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 10605749090 in words is "ten billion, six hundred five million, seven hundred forty-nine thousand, ninety".

Divisors: 1 2 5 10 1060574909 2121149818 5302874545 10605749090