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97979180380 = 22522901213919
BaseRepresentation
bin101101101000000000…
…0111010010101011100
3100100220100010001212121
41123100000322111130
53101130132233010
6113002213512324
710036005202054
oct1332000722534
9310810101777
1097979180380
1138609769444
1216ba50426a4
139315c55ba3
144a56906564
152836b133da
hex16d003a55c

97979180380 has 24 divisors (see below), whose sum is σ = 205766225280. Its totient is φ = 39189777600.

The previous prime is 97979180353. The next prime is 97979180381. The reversal of 97979180380 is 8308197979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97979180381) 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, 351061 + ... + 564979.

It is an arithmetic number, because the mean of its divisors is an integer number (8573592720).

Almost surely, 297979180380 is an apocalyptic number.

It is an amenable number.

97979180380 is an abundant number, since it is smaller than the sum of its proper divisors (107787044900).

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

97979180380 is a wasteful number, since it uses less digits than its factorization.

97979180380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236829 (or 236827 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 61.

The spelling of 97979180380 in words is "ninety-seven billion, nine hundred seventy-nine million, one hundred eighty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 22901 45802 91604 114505 213919 229010 427838 458020 855676 1069595 2139190 4278380 4898959019 9797918038 19595836076 24494795095 48989590190 97979180380