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1010642705 = 53113471873
BaseRepresentation
bin111100001111010…
…010111100010001
32121102200222011022
4330033102330101
54032211031310
6244141325225
734021215122
oct7417227421
92542628138
101010642705
11479532906
12242566815
131314c5447
149831c049
155dad4a55
hex3c3d2f11

1010642705 has 16 divisors (see below), whose sum is σ = 1220828544. Its totient is φ = 803162880.

The previous prime is 1010642671. The next prime is 1010642761. The reversal of 1010642705 is 5072460101.

It is not a de Polignac number, because 1010642705 - 220 = 1009594129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538649 + ... + 540521.

It is an arithmetic number, because the mean of its divisors is an integer number (76301784).

Almost surely, 21010642705 is an apocalyptic number.

It is an amenable number.

1010642705 is a deficient number, since it is larger than the sum of its proper divisors (210185839).

1010642705 is a wasteful number, since it uses less digits than its factorization.

1010642705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1010642705 is about 31790.6071819964. The cubic root of 1010642705 is about 1003.5350569801.

The spelling of 1010642705 in words is "one billion, ten million, six hundred forty-two thousand, seven hundred five".

Divisors: 1 5 311 347 1555 1735 1873 9365 107917 539585 582503 649931 2912515 3249655 202128541 1010642705