Search a number
-
+
99108910901 = 71113354127961
BaseRepresentation
bin101110001001101011…
…0011111011100110101
3100110211001220022210202
41130103112133130311
53110433340122101
6113310251530245
710106003562050
oct1342326373465
9313731808722
1099108910901
113903943a730
121725b459985
139466015ca0
144b22983a97
1528a0dbd36b
hex171359f735

99108910901 has 32 divisors (see below), whose sum is σ = 133111646976. Its totient is φ = 71264448000.

The previous prime is 99108910883. The next prime is 99108910919. The reversal of 99108910901 is 10901980199.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99108910883) and next prime (99108910919).

It is a cyclic number.

It is not a de Polignac number, because 99108910901 - 26 = 99108910837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99108910921) 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, 3530561 + ... + 3558521.

It is an arithmetic number, because the mean of its divisors is an integer number (4159738968).

Almost surely, 299108910901 is an apocalyptic number.

99108910901 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

99108910901 is a deficient number, since it is larger than the sum of its proper divisors (34002736075).

99108910901 is a wasteful number, since it uses less digits than its factorization.

99108910901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31533.

The product of its (nonzero) digits is 52488, while the sum is 47.

The spelling of 99108910901 in words is "ninety-nine billion, one hundred eight million, nine hundred ten thousand, nine hundred one".

Divisors: 1 7 11 13 77 91 143 1001 3541 24787 27961 38951 46033 195727 272657 307571 322231 363493 506363 2152997 2544451 3544541 3998423 27988961 99009901 693069307 1089108911 1287128713 7623762377 9009900991 14158415843 99108910901