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97944991222456 = 237198631021104473
BaseRepresentation
bin10110010001010010011000…
…011010001100101010111000
3110211210110010211202020121101
4112101102120122030222320
5100314212320223104311
6544151150252421144
726426202121555360
oct2621223032145270
9424713124666541
1097944991222456
1129232268140674
12ab9a48b4777b4
13428623322bc81
141a287c47279a0
15b4cb9235eec1
hex59149868cab8

97944991222456 has 128 divisors (see below), whose sum is σ = 221403306700800. Its totient is φ = 39681775272960.

The previous prime is 97944991222439. The next prime is 97944991222457. The reversal of 97944991222456 is 65422219944979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97944991222457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937462636 + ... + 937567108.

It is an arithmetic number, because the mean of its divisors is an integer number (1729713333600).

Almost surely, 297944991222456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97944991222456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110701653350400).

97944991222456 is an abundant number, since it is smaller than the sum of its proper divisors (123458315478344).

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

97944991222456 is a wasteful number, since it uses less digits than its factorization.

97944991222456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106389 (or 106385 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 73.

The spelling of 97944991222456 in words is "ninety-seven trillion, nine hundred forty-four billion, nine hundred ninety-one million, two hundred twenty-two thousand, four hundred fifty-six".