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64606006046620 = 22517190017664843
BaseRepresentation
bin11101011000010010000100…
…00010100110111110011100
322110202021101122101001110201
432230021002002212332130
531432001100021442440
6345223331153113244
716415426025360553
oct1654110202467634
9273667348331421
1064606006046620
1119649287157a65
1272b50b0858824
132a0842170945c
1411d4d39860d9a
1577083cd0a19a
hex3ac2420a6f9c

64606006046620 has 24 divisors (see below), whose sum is σ = 143653354622064. Its totient is φ = 24322261099776.

The previous prime is 64606006046597. The next prime is 64606006046627. The reversal of 64606006046620 is 2664060060646.

It is a super-2 number, since 2×646060060466202 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64606006046627) 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, 95008832082 + ... + 95008832761.

It is an arithmetic number, because the mean of its divisors is an integer number (5985556442586).

Almost surely, 264606006046620 is an apocalyptic number.

It is an amenable number.

64606006046620 is an abundant number, since it is smaller than the sum of its proper divisors (79047348575444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64606006046620 is a wasteful number, since it uses less digits than its factorization.

64606006046620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190017664869 (or 190017664867 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 64606006046620 in words is "sixty-four trillion, six hundred six billion, six million, forty-six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 190017664843 380035329686 760070659372 950088324215 1900176648430 3230300302331 3800353296860 6460600604662 12921201209324 16151501511655 32303003023310 64606006046620