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100401252461 = 1271373575791
BaseRepresentation
bin101110110000001100…
…0011000100001101101
3100121011010200002010222
41131200120120201231
53121110210034321
6114042415141125
710153015364516
oct1354030304155
9317133602128
10100401252461
1139641987004
12175602147a5
13961099c133
144c0646da0d
1529295993ab
hex176061886d

100401252461 has 8 divisors (see below), whose sum is σ = 101265690624. Its totient is φ = 99537968880.

The previous prime is 100401252439. The next prime is 100401252463. The reversal of 100401252461 is 164252104001.

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

It is a cyclic number.

It is not a de Polignac number, because 100401252461 - 26 = 100401252397 is a prime.

It is a super-2 number, since 2×1004012524612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100401252461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100401252463) 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, 113525 + ... + 462266.

It is an arithmetic number, because the mean of its divisors is an integer number (12658211328).

Almost surely, 2100401252461 is an apocalyptic number.

It is an amenable number.

100401252461 is a deficient number, since it is larger than the sum of its proper divisors (864438163).

100401252461 is a wasteful number, since it uses less digits than its factorization.

100401252461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577291.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 100401252461 its reverse (164252104001), we get a palindrome (264653356462).

The spelling of 100401252461 in words is "one hundred billion, four hundred one million, two hundred fifty-two thousand, four hundred sixty-one".

Divisors: 1 127 1373 174371 575791 73125457 790561043 100401252461