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70152031427 = 223731359871
BaseRepresentation
bin100000101010101100…
…0110000110011000011
320201002000102102210012
41001111120300303003
52122132410001202
652121041255135
75032301266652
oct1012530606303
9221060372705
1070152031427
1127829aa1585
12117199344ab
1367ccaa808a
143576cad199
151c58b42152
hex1055630cc3

70152031427 has 4 divisors (see below), whose sum is σ = 70183393536. Its totient is φ = 70120669320.

The previous prime is 70152031393. The next prime is 70152031441. The reversal of 70152031427 is 72413025107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72413025107 = 615111177237.

It is a cyclic number.

It is not a de Polignac number, because 70152031427 - 28 = 70152031171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70152031393 and 70152031402.

It is not an unprimeable number, because it can be changed into a prime (70152030427) 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, 15677699 + ... + 15682172.

It is an arithmetic number, because the mean of its divisors is an integer number (17545848384).

Almost surely, 270152031427 is an apocalyptic number.

70152031427 is a deficient number, since it is larger than the sum of its proper divisors (31362109).

70152031427 is a wasteful number, since it uses less digits than its factorization.

70152031427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31362108.

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 70152031427 in words is "seventy billion, one hundred fifty-two million, thirty-one thousand, four hundred twenty-seven".

Divisors: 1 2237 31359871 70152031427