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10102430661 = 316931989059
BaseRepresentation
bin10010110100010011…
…01101101111000101
3222002001111122120120
421122021231233011
5131142210240121
64350242052153
7505230146421
oct113211555705
928061448516
1010102430661
114314616754
121b5b34a059
13c4cca242b
146bb9c7b81
153e1d92bc6
hex25a26dbc5

10102430661 has 8 divisors (see below), whose sum is σ = 13477870560. Its totient is φ = 6730972272.

The previous prime is 10102430609. The next prime is 10102430671. The reversal of 10102430661 is 16603420101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10102430661 - 211 = 10102428613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102430671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989451 + ... + 999608.

It is an arithmetic number, because the mean of its divisors is an integer number (1684733820).

Almost surely, 210102430661 is an apocalyptic number.

It is an amenable number.

10102430661 is a deficient number, since it is larger than the sum of its proper divisors (3375439899).

10102430661 is a wasteful number, since it uses less digits than its factorization.

10102430661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990755.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 10102430661 its reverse (16603420101), we get a palindrome (26705850762).

The spelling of 10102430661 in words is "ten billion, one hundred two million, four hundred thirty thousand, six hundred sixty-one".

Divisors: 1 3 1693 5079 1989059 5967177 3367476887 10102430661