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400530420101 = 7265972151319
BaseRepresentation
bin1011101010000010111…
…10010011000110000101
31102021211122122111120202
411311001132103012011
523030241241420401
6504000124540245
740636342253210
oct5650136230605
91367748574522
10400530420101
11144955a86919
12657609b1685
132ba014b46a6
14155587d6777
15a64327006b
hex5d41793185

400530420101 has 8 divisors (see below), whose sum is σ = 457766474880. Its totient is φ = 343298721168.

The previous prime is 400530420097. The next prime is 400530420107. The reversal of 400530420101 is 101024035004.

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 400530420101 - 22 = 400530420097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400530420107) 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, 889481 + ... + 1261838.

It is an arithmetic number, because the mean of its divisors is an integer number (57220809360).

Almost surely, 2400530420101 is an apocalyptic number.

It is an amenable number.

400530420101 is a deficient number, since it is larger than the sum of its proper divisors (57236054779).

400530420101 is a wasteful number, since it uses less digits than its factorization.

400530420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177923.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 400530420101 its reverse (101024035004), we get a palindrome (501554455105).

The spelling of 400530420101 in words is "four hundred billion, five hundred thirty million, four hundred twenty thousand, one hundred one".

Divisors: 1 7 26597 186179 2151319 15059233 57218631443 400530420101