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97250831898 = 231129334315199
BaseRepresentation
bin101101010010010011…
…0011110111000011010
3100022000120121010120220
41122210212132320122
53043132203110043
6112402034500510
710011652301103
oct1324446367032
9308016533526
1097250831898
1138275617450
1216a21134736
13922b09c45c
1449c7cad3aa
1527e2be1483
hex16a499ee1a

97250831898 has 64 divisors (see below), whose sum is σ = 219580416000. Its totient is φ = 28443360960.

The previous prime is 97250831891. The next prime is 97250831929. The reversal of 97250831898 is 89813805279.

It is not an unprimeable number, because it can be changed into a prime (97250831891) 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 31 ways as a sum of consecutive naturals, for example, 6390903 + ... + 6406101.

It is an arithmetic number, because the mean of its divisors is an integer number (3430944000).

Almost surely, 297250831898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97250831898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109790208000).

97250831898 is an abundant number, since it is smaller than the sum of its proper divisors (122329584102).

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

97250831898 is a wasteful number, since it uses less digits than its factorization.

97250831898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587.

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 97250831898 in words is "ninety-seven billion, two hundred fifty million, eight hundred thirty-one thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 11 22 29 33 58 66 87 174 319 638 957 1914 3343 6686 10029 15199 20058 30398 36773 45597 73546 91194 96947 110319 167189 193894 220638 290841 334378 440771 501567 581682 881542 1003134 1066417 1322313 2132834 2644626 3199251 4848481 6398502 9696962 14545443 29090886 50810257 101620514 152430771 304861542 558912827 1117825654 1473497453 1676738481 2946994906 3353476962 4420492359 8840984718 16208471983 32416943966 48625415949 97250831898