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400024232101 = 131117116323687
BaseRepresentation
bin1011101001000110100…
…11010110000010100101
31102020112101011111012001
411310203103112002211
523023222200411401
6503434003325301
740620654604354
oct5644323260245
91366471144161
10400024232101
1114471628332a
126563b380831
132b950673b70
141550b4ad99b
15a613ad3601
hex5d234d60a5

400024232101 has 16 divisors (see below), whose sum is σ = 431569966464. Its totient is φ = 368589783744.

The previous prime is 400024232099. The next prime is 400024232141. The reversal of 400024232101 is 101232420004.

It is not a de Polignac number, because 400024232101 - 21 = 400024232099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400024232141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16876080 + ... + 16899766.

It is an arithmetic number, because the mean of its divisors is an integer number (26973122904).

Almost surely, 2400024232101 is an apocalyptic number.

It is an amenable number.

400024232101 is a deficient number, since it is larger than the sum of its proper divisors (31545734363).

400024232101 is a wasteful number, since it uses less digits than its factorization.

400024232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25980.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 400024232101 its reverse (101232420004), we get a palindrome (501256652105).

The spelling of 400024232101 in words is "four hundred billion, twenty-four million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 13 1117 1163 14521 15119 23687 307931 1299071 16887923 26458379 27547981 343958927 358123753 30771094777 400024232101