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100946485820 = 2255784787253
BaseRepresentation
bin101111000000011100…
…0010010001000111100
3100122120010121210201002
41132000320102020330
53123214300021240
6114212453305432
710202355654245
oct1360070221074
9318503553632
10100946485820
11398a1728994
1217692935278
139699930b1b
144c58a3bccc
15295c399d15
hex1780e1223c

100946485820 has 24 divisors (see below), whose sum is σ = 211993714464. Its totient is φ = 40377433536.

The previous prime is 100946485819. The next prime is 100946485847. The reversal of 100946485820 is 28584649001.

It is a super-2 number, since 2×1009464858202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113314 + ... + 1200566.

It is an arithmetic number, because the mean of its divisors is an integer number (8833071436).

Almost surely, 2100946485820 is an apocalyptic number.

100946485820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100946485820 is an abundant number, since it is smaller than the sum of its proper divisors (111047228644).

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

100946485820 is a wasteful number, since it uses less digits than its factorization.

100946485820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145109 (or 145107 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 100946485820 in words is "one hundred billion, nine hundred forty-six million, four hundred eighty-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 57847 87253 115694 174506 231388 289235 349012 436265 578470 872530 1156940 1745060 5047324291 10094648582 20189297164 25236621455 50473242910 100946485820