Search a number
-
+
97106351251 = 71310715596397
BaseRepresentation
bin101101001101111111…
…1010101010010010011
3100021122111201202101211
41122123333111102103
53042333211220001
6112335434040551
710005246236530
oct1323377252223
9307574652354
1097106351251
1138201004a58
12169a0879157
139207183850
1449b2a1dd87
1527d51a2351
hex169bfd5493

97106351251 has 32 divisors (see below), whose sum is σ = 120728724480. Its totient is φ = 76052635776.

The previous prime is 97106351249. The next prime is 97106351273. The reversal of 97106351251 is 15215360179.

It is not a de Polignac number, because 97106351251 - 21 = 97106351249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97106351651) 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, 15176785 + ... + 15183181.

It is an arithmetic number, because the mean of its divisors is an integer number (3772772640).

Almost surely, 297106351251 is an apocalyptic number.

97106351251 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

97106351251 is a deficient number, since it is larger than the sum of its proper divisors (23622373229).

97106351251 is a wasteful number, since it uses less digits than its factorization.

97106351251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8083.

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 97106351251 in words is "ninety-seven billion, one hundred six million, three hundred fifty-one thousand, two hundred fifty-one".

Divisors: 1 7 13 91 107 749 1391 1559 6397 9737 10913 20267 44779 83161 141869 166813 582127 684479 1167691 2168569 4791353 8898227 9972923 15179983 62287589 69810461 129647999 907535993 1067102761 7469719327 13872335893 97106351251