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90896798680 = 2354748349361
BaseRepresentation
bin101010010100111011…
…1110001001111011000
322200121202100210122021
41110221313301033120
52442124040024210
6105431333504224
76365336016652
oct1245167611730
9280552323567
1090896798680
1135604967226
12157491a2074
13875786779c
1445840636d2
15256ee74bda
hex1529df13d8

90896798680 has 32 divisors (see below), whose sum is σ = 208869243840. Its totient is φ = 35585128960.

The previous prime is 90896798647. The next prime is 90896798683. The reversal of 90896798680 is 8689769809.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90896798683) 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, 24172801 + ... + 24176560.

It is an arithmetic number, because the mean of its divisors is an integer number (6527163870).

Almost surely, 290896798680 is an apocalyptic number.

It is an amenable number.

90896798680 is an abundant number, since it is smaller than the sum of its proper divisors (117972445160).

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

90896798680 is a wasteful number, since it uses less digits than its factorization.

90896798680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48349419 (or 48349415 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 70.

The spelling of 90896798680 in words is "ninety billion, eight hundred ninety-six million, seven hundred ninety-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 48349361 96698722 193397444 241746805 386794888 483493610 966987220 1933974440 2272419967 4544839934 9089679868 11362099835 18179359736 22724199670 45448399340 90896798680