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400124232301 = 5331723815501
BaseRepresentation
bin1011101001010010100…
…00110100001001101101
31102020210100100000200011
411310221100310021231
523023423300413201
6503451534533221
740623310600213
oct5645120641155
91366710300604
10400124232301
11144767774a22
1265668967211
132b9682b7791
141551a8a0cb3
15a61c788151
hex5d2943426d

400124232301 has 8 divisors (see below), whose sum is σ = 408959800344. Its totient is φ = 391336296000.

The previous prime is 400124232283. The next prime is 400124232307. The reversal of 400124232301 is 103232421004.

It can be written as a sum of positive squares in 4 ways, for example, as 48279515076 + 351844717225 = 219726^2 + 593165^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-400124232301 is a prime.

It is a super-2 number, since 2×4001242323012 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400124232307) 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, 11890950 + ... + 11924551.

It is an arithmetic number, because the mean of its divisors is an integer number (51119975043).

Almost surely, 2400124232301 is an apocalyptic number.

It is an amenable number.

400124232301 is a deficient number, since it is larger than the sum of its proper divisors (8835568043).

400124232301 is a wasteful number, since it uses less digits than its factorization.

400124232301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23815871.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 400124232301 its reverse (103232421004), we get a palindrome (503356653305).

The spelling of 400124232301 in words is "four hundred billion, one hundred twenty-four million, two hundred thirty-two thousand, three hundred one".

Divisors: 1 53 317 16801 23815501 1262221553 7549513817 400124232301