Search a number
-
+
101024401031 = 486112078221
BaseRepresentation
bin101111000010110000…
…1100000011010000111
3100122202120020022021122
41132011201200122013
53123344221313111
6114224315304155
710204323145301
oct1360541403207
9318676208248
10101024401031
1139931705824
12176b4a4b05b
1396acb112b8
144c65120971
15296413acdb
hex1785860687

101024401031 has 4 divisors (see below), whose sum is σ = 101026527864. Its totient is φ = 101022274200.

The previous prime is 101024401007. The next prime is 101024401043. The reversal of 101024401031 is 130104420101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101024401031 is a prime.

It is a super-3 number, since 3×1010244010313 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101024401061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990500 + ... + 1087721.

It is an arithmetic number, because the mean of its divisors is an integer number (25256631966).

Almost surely, 2101024401031 is an apocalyptic number.

101024401031 is a deficient number, since it is larger than the sum of its proper divisors (2126833).

101024401031 is an equidigital number, since it uses as much as digits as its factorization.

101024401031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126832.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101024401031 its reverse (130104420101), we get a palindrome (231128821132).

The spelling of 101024401031 in words is "one hundred one billion, twenty-four million, four hundred one thousand, thirty-one".

Divisors: 1 48611 2078221 101024401031