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6460664642135 = 5111940911511233
BaseRepresentation
bin101111000000011110110…
…0111101111101001010111
3211212122002211100001020122
41132000331213233221113
51321322420122022020
621423553253022155
71234524202236104
oct136007547575127
924778084301218
106460664642135
112070a52841330
1288415362495b
1337b313037a92
141849aac17aab
15b30cb620125
hex5e03d9efa57

6460664642135 has 32 divisors (see below), whose sum is σ = 8904916120320. Its totient is φ = 4450275993600.

The previous prime is 6460664642063. The next prime is 6460664642147. The reversal of 6460664642135 is 5312464660646.

It is not a de Polignac number, because 6460664642135 - 228 = 6460396206679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3519479 + ... + 5030711.

It is an arithmetic number, because the mean of its divisors is an integer number (278278628760).

Almost surely, 26460664642135 is an apocalyptic number.

6460664642135 is a deficient number, since it is larger than the sum of its proper divisors (2444251478185).

6460664642135 is a wasteful number, since it uses less digits than its factorization.

6460664642135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515359.

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 6460664642135 in words is "six trillion, four hundred sixty billion, six hundred sixty-four million, six hundred forty-two thousand, one hundred thirty-five".

Divisors: 1 5 11 19 55 95 209 1045 4091 20455 45001 77729 225005 388645 855019 1511233 4275095 7556165 16623563 28713427 83117815 143567135 315847697 1579238485 6182454203 30912271015 68006996233 117466629857 340034981165 587333149285 1292132928427 6460664642135