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97701791040 = 2632575982141
BaseRepresentation
bin101101011111101111…
…0110000010101000000
3100100012000011020020100
41122333132300111000
53100043124303130
6112514504242400
710026066343560
oct1327736602500
9310160136210
1097701791040
1138487128757
1216b28170400
1392a0643899
144a2bb3ada0
15281c5bdc60
hex16bf7b0540

97701791040 has 336 divisors, whose sum is σ = 390575352960. Its totient is φ = 21953064960.

The previous prime is 97701791003. The next prime is 97701791041. The reversal of 97701791040 is 4019710779.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97701791041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1148370 + ... + 1230510.

Almost surely, 297701791040 is an apocalyptic number.

97701791040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97701791040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195287676480).

97701791040 is an abundant number, since it is smaller than the sum of its proper divisors (292873561920).

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

97701791040 is a wasteful number, since it uses less digits than its factorization.

97701791040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82230 (or 82217 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The spelling of 97701791040 in words is "ninety-seven billion, seven hundred one million, seven hundred ninety-one thousand, forty".