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70021932455 = 5293377191993
BaseRepresentation
bin100000100110110100…
…0011110010110100111
320200201221121201112202
41001031220132112213
52121401103314310
652100113005115
75026131414446
oct1011550362647
9220657551482
1070021932455
1127772612272
12116a225379b
1367abb56537
1435638c4d5d
151c4c4e43a5
hex104da1e5a7

70021932455 has 32 divisors (see below), whose sum is σ = 87346771200. Its totient is φ = 53823393792.

The previous prime is 70021932437. The next prime is 70021932467. The reversal of 70021932455 is 55423912007.

It is a cyclic number.

It is not a de Polignac number, because 70021932455 - 28 = 70021932199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35132939 + ... + 35134931.

It is an arithmetic number, because the mean of its divisors is an integer number (2729586600).

Almost surely, 270021932455 is an apocalyptic number.

70021932455 is a deficient number, since it is larger than the sum of its proper divisors (17324838745).

70021932455 is a wasteful number, since it uses less digits than its factorization.

70021932455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 70021932455 in words is "seventy billion, twenty-one million, nine hundred thirty-two thousand, four hundred fifty-five".

Divisors: 1 5 29 145 337 719 1685 1993 3595 9773 9965 20851 48865 57797 104255 242303 288985 671641 1211515 1432967 3358205 7026787 7164835 19477589 35133935 41556043 97387945 207780215 482909879 2414549395 14004386491 70021932455