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78146700700 = 22521315965397
BaseRepresentation
bin100100011000111101…
…0000000010110011100
321110201011210201022011
41020301322000112130
52240021023410300
655522231001004
75434355665435
oct1106172002634
9243634721264
1078146700700
1130161858972
121318b209164
1374a51a2a03
143ad498a48c
152075937eba
hex1231e8059c

78146700700 has 36 divisors (see below), whose sum is σ = 170872860312. Its totient is φ = 31020059200.

The previous prime is 78146700691. The next prime is 78146700701. The reversal of 78146700700 is 700764187.

It is a super-2 number, since 2×781467007002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78146700701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2969599 + ... + 2995798.

It is an arithmetic number, because the mean of its divisors is an integer number (4746468342).

Almost surely, 278146700700 is an apocalyptic number.

It is an amenable number.

78146700700 is an abundant number, since it is smaller than the sum of its proper divisors (92726159612).

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

78146700700 is a wasteful number, since it uses less digits than its factorization.

78146700700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965542 (or 5965535 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 78146700700 in words is "seventy-eight billion, one hundred forty-six million, seven hundred thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 131 262 524 655 1310 2620 3275 6550 13100 5965397 11930794 23861588 29826985 59653970 119307940 149134925 298269850 596539700 781467007 1562934014 3125868028 3907335035 7814670070 15629340140 19536675175 39073350350 78146700700