Search a number
-
+
190652543679 = 31325771189691
BaseRepresentation
bin1011000110001111000…
…1101111001010111111
3200020002220101201000110
42301203301233022333
511110424022344204
6223330133401103
716526355611523
oct2614361571277
9606086351013
10190652543679
1173945432994
1230b49199193
1314c94896730
1493288a1d83
154e5ca12889
hex2c63c6f2bf

190652543679 has 16 divisors (see below), whose sum is σ = 273769564544. Its totient is φ = 117319471200.

The previous prime is 190652543639. The next prime is 190652543693. The reversal of 190652543679 is 976345256091.

It is not a de Polignac number, because 190652543679 - 29 = 190652543167 is a prime.

It is a super-2 number, since 2×1906525436792 (a number of 23 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 (190652543629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910224 + ... + 1099914.

It is an arithmetic number, because the mean of its divisors is an integer number (17110597784).

Almost surely, 2190652543679 is an apocalyptic number.

190652543679 is a deficient number, since it is larger than the sum of its proper divisors (83117020865).

190652543679 is a wasteful number, since it uses less digits than its factorization.

190652543679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215478.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 190652543679 in words is "one hundred ninety billion, six hundred fifty-two million, five hundred forty-three thousand, six hundred seventy-nine".

Divisors: 1 3 13 39 25771 77313 189691 335023 569073 1005069 2465983 7397949 4888526761 14665580283 63550847893 190652543679