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84628974156481 = 283574352070749
BaseRepresentation
bin10011001111100000110111…
…111100010011101011000001
3102002122110011201101102200001
4103033200313330103223001
542043030114341001411
6455554003005400001
723553145605212056
oct2317406774235301
9362573151342601
1084628974156481
1124a68a45702977
1295a97b4269001
13382b62a294c31
1416c80c826902d
159bb5d92a1dc1
hex4cf837f13ac1

84628974156481 has 8 divisors (see below), whose sum is σ = 84942806192000. Its totient is φ = 84315246274512.

The previous prime is 84628974156479. The next prime is 84628974156491. The reversal of 84628974156481 is 18465147982648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84628974156481 - 21 = 84628974156479 is a prime.

It is a super-3 number, since 3×846289741564813 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84628974156491) 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, 24410106 + ... + 27660643.

It is an arithmetic number, because the mean of its divisors is an integer number (10617850774000).

Almost surely, 284628974156481 is an apocalyptic number.

It is an amenable number.

84628974156481 is a deficient number, since it is larger than the sum of its proper divisors (313832035519).

84628974156481 is a wasteful number, since it uses less digits than its factorization.

84628974156481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52076775.

The product of its digits is 743178240, while the sum is 73.

The spelling of 84628974156481 in words is "eighty-four trillion, six hundred twenty-eight billion, nine hundred seventy-four million, one hundred fifty-six thousand, four hundred eighty-one".

Divisors: 1 283 5743 1625269 52070749 14736021967 299042311507 84628974156481