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70172157010 = 257109987089
BaseRepresentation
bin100000101011010010…
…1100010010001010010
320201010102021220220011
41001112211202101102
52122203033011020
652123040505134
75032634331064
oct1012645422122
9221112256804
1070172157010
112783a39819a
121172461b1aa
1368040036c7
14357982b734
151c5a7ba35a
hex1056962452

70172157010 has 16 divisors (see below), whose sum is σ = 126327778200. Its totient is φ = 28064886016.

The previous prime is 70172156993. The next prime is 70172157017. The reversal of 70172157010 is 1075127107.

It can be written as a sum of positive squares in 4 ways, for example, as 63020579521 + 7151577489 = 251039^2 + 84567^2 .

It is not an unprimeable number, because it can be changed into a prime (70172157017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422455 + ... + 564634.

Almost surely, 270172157010 is an apocalyptic number.

70172157010 is a deficient number, since it is larger than the sum of its proper divisors (56155621190).

70172157010 is a wasteful number, since it uses less digits than its factorization.

70172157010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994205.

The product of its (nonzero) digits is 3430, while the sum is 31.

The spelling of 70172157010 in words is "seventy billion, one hundred seventy-two million, one hundred fifty-seven thousand, ten".

Divisors: 1 2 5 10 7109 14218 35545 71090 987089 1974178 4935445 9870890 7017215701 14034431402 35086078505 70172157010