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454125235102421 = 7926921369593671
BaseRepresentation
bin110011101000001100100010…
…1010100100110001011010101
32012112220221121110001110011112
41213100121011110212023111
5434010341440141234141
64245502130345144405
7164440315446233351
oct14720310524461325
92175827543043145
10454125235102421
111217754812163a3
1242b2461a48b105
1316651a97709c4c
14801dac88b8461
153777c8d5e57eb
hex19d06455262d5

454125235102421 has 8 divisors (see below), whose sum is σ = 461583223315200. Its totient is φ = 446709986077680.

The previous prime is 454125235102411. The next prime is 454125235102459. The reversal of 454125235102421 is 124201532521454.

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-454125235102421 is a prime.

It is a super-2 number, since 2×4541252351024212 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454125235102411) 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, 10684775585 + ... + 10684818086.

It is an arithmetic number, because the mean of its divisors is an integer number (57697902914400).

Almost surely, 2454125235102421 is an apocalyptic number.

It is an amenable number.

454125235102421 is a deficient number, since it is larger than the sum of its proper divisors (7457988212779).

454125235102421 is a wasteful number, since it uses less digits than its factorization.

454125235102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21369594019.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 454125235102421 its reverse (124201532521454), we get a palindrome (578326767623875).

The spelling of 454125235102421 in words is "four hundred fifty-four trillion, one hundred twenty-five billion, two hundred thirty-five million, one hundred two thousand, four hundred twenty-one".

Divisors: 1 79 269 21251 21369593671 1688197900009 5748420697499 454125235102421