Search a number
-
+
79530370092495 = 345728053040597
BaseRepresentation
bin10010000101010100011011…
…011101010100110111001111
3101102121000210020022212020000
4102011110123131110313033
540411011144220424440
6441051425253455343
722515610465556460
oct2205243335246717
9342530706285200
1079530370092495
1123382705623743
128b05628041553
13354b8b2978c9a
14158d40cdd6d67
1592db7a186730
hex48551b754dcf

79530370092495 has 40 divisors (see below), whose sum is σ = 162932059793184. Its totient is φ = 36356740612416.

The previous prime is 79530370092469. The next prime is 79530370092497. The reversal of 79530370092495 is 59429007303597.

79530370092495 is a `hidden beast` number, since 7 + 9 + 53 + 0 + 3 + 7 + 0 + 0 + 92 + 495 = 666.

It is not a de Polignac number, because 79530370092495 - 225 = 79530336538063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79530370092497) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14026517464 + ... + 14026523133.

Almost surely, 279530370092495 is an apocalyptic number.

79530370092495 is an abundant number, since it is smaller than the sum of its proper divisors (83401689700689).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79530370092495 is a wasteful number, since it uses less digits than its factorization.

79530370092495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28053040621 (or 28053040612 counting only the distinct ones).

The product of its (nonzero) digits is 64297800, while the sum is 63.

The spelling of 79530370092495 in words is "seventy-nine trillion, five hundred thirty billion, three hundred seventy million, ninety-two thousand, four hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 315 405 567 945 2835 28053040597 84159121791 140265202985 196371284179 252477365373 420795608955 589113852537 757432096119 981856420895 1262386826865 1767341557611 2272296288357 2945569262685 3787160480595 5302024672833 8836707788055 11361481441785 15906074018499 26510123364165 79530370092495