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380402838620 = 22572717163133
BaseRepresentation
bin1011000100100011100…
…01101010110001011100
31100100212221001102102222
411202101301222301130
522213031111313440
6450431001004512
736324510530510
oct5422161526134
91310787042388
10380402838620
11137367537a62
1261884183738
1329b4455a06c
14145a95c0140
159d662022b5
hex5891c6ac5c

380402838620 has 24 divisors (see below), whose sum is σ = 912966813024. Its totient is φ = 130423830336.

The previous prime is 380402838523. The next prime is 380402838623. The reversal of 380402838620 is 26838204083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380402838623) 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, 1358581427 + ... + 1358581706.

It is an arithmetic number, because the mean of its divisors is an integer number (38040283876).

Almost surely, 2380402838620 is an apocalyptic number.

It is an amenable number.

380402838620 is an abundant number, since it is smaller than the sum of its proper divisors (532563974404).

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

380402838620 is a wasteful number, since it uses less digits than its factorization.

380402838620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717163149 (or 2717163147 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 380402838620 in words is "three hundred eighty billion, four hundred two million, eight hundred thirty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2717163133 5434326266 10868652532 13585815665 19020141931 27171631330 38040283862 54343262660 76080567724 95100709655 190201419310 380402838620