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70254760321 = 317341974093
BaseRepresentation
bin100000101101110000…
…0101001000110000001
320201100011201121100001
41001123200221012001
52122340204312241
652135151200001
75034656416054
oct1013340510601
9221304647301
1070254760321
1127881a87299
1211748216001
1368181659c5
1435867b0a9b
151c62b85431
hex105b829181

70254760321 has 16 divisors (see below), whose sum is σ = 73690928640. Its totient is φ = 66896184960.

The previous prime is 70254760313. The next prime is 70254760339. The reversal of 70254760321 is 12306745207.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 70254760321 - 23 = 70254760313 is a prime.

It is a super-2 number, since 2×702547603212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70254790321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911151 + ... + 985243.

It is an arithmetic number, because the mean of its divisors is an integer number (4605683040).

Almost surely, 270254760321 is an apocalyptic number.

It is an amenable number.

70254760321 is a deficient number, since it is larger than the sum of its proper divisors (3436168319).

70254760321 is a wasteful number, since it uses less digits than its factorization.

70254760321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74616.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 70254760321 in words is "seventy billion, two hundred fifty-four million, seven hundred sixty thousand, three hundred twenty-one".

Divisors: 1 31 73 419 2263 12989 30587 74093 948197 2296883 5408789 31044967 167672459 962393977 2266282591 70254760321