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147813257987620 = 22512975698275173
BaseRepresentation
bin100001100110111101110100…
…101111000100011000100100
3201101100210212002120210220121
4201212331310233010120210
5123333233023021100440
61242212250121411324
743064104220266411
oct4146756457043044
9641323762523817
10147813257987620
1143109283717645
12146b3249039b44
136462965965684
1428702b25ad108
151214e66de034a
hex866f74bc4624

147813257987620 has 24 divisors (see below), whose sum is σ = 310647169385784. Its totient is φ = 59079716983296.

The previous prime is 147813257987599. The next prime is 147813257987669. The reversal of 147813257987620 is 26789752318741.

147813257987620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16178205461796 + 131635052525824 = 4022214^2 + 11473232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 147813257987620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849111647 + ... + 2849163526.

It is an arithmetic number, because the mean of its divisors is an integer number (12943632057741).

It is a 1-persistent number, because it is pandigital, but 2⋅147813257987620 = 295626515975240 is not.

Almost surely, 2147813257987620 is an apocalyptic number.

147813257987620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147813257987620 is an abundant number, since it is smaller than the sum of its proper divisors (162833911398164).

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

147813257987620 is a wasteful number, since it uses less digits than its factorization.

147813257987620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698276479 (or 5698276477 counting only the distinct ones).

The product of its (nonzero) digits is 284497920, while the sum is 70.

The spelling of 147813257987620 in words is "one hundred forty-seven trillion, eight hundred thirteen billion, two hundred fifty-seven million, nine hundred eighty-seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1297 2594 5188 6485 12970 25940 5698275173 11396550346 22793100692 28491375865 56982751730 113965503460 7390662899381 14781325798762 29562651597524 36953314496905 73906628993810 147813257987620