Search a number
-
+
23970006506 = 2199389154823
BaseRepresentation
bin10110010100101110…
…010100010111101010
32021212111210111100202
4112110232110113222
5343042310202011
615002304232202
71505666456615
oct262456242752
967774714322
1023970006506
11a190497736
12478b60b662
132350027304
14123566d17c
1595456923b
hex594b945ea

23970006506 has 16 divisors (see below), whose sum is σ = 36228816000. Its totient is φ = 11894045328.

The previous prime is 23970006499. The next prime is 23970006551. The reversal of 23970006506 is 60560007932.

It is a super-2 number, since 2×239700065062 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23970006506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77411 + ... + 232233.

It is an arithmetic number, because the mean of its divisors is an integer number (2264301000).

Almost surely, 223970006506 is an apocalyptic number.

It is a pronic number, being equal to 154822×154823.

23970006506 is a deficient number, since it is larger than the sum of its proper divisors (12258809494).

23970006506 is a wasteful number, since it uses less digits than its factorization.

23970006506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155413.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 23970006506 in words is "twenty-three billion, nine hundred seventy million, six thousand, five hundred six".

Divisors: 1 2 199 389 398 778 77411 154822 154823 309646 30809777 60226147 61619554 120452294 11985003253 23970006506