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190387359556 = 2229275232
BaseRepresentation
bin1011000101001111111…
…0001000111101000100
3200012102102101221210021
42301103332020331010
511104403131001211
6223243541504524
716516655566132
oct2612376107504
9605372357707
10190387359556
1173819779159
1230a94412144
1314c51968954
149301592752
154e445ce771
hex2c53f88f44

190387359556 has 27 divisors (see below), whose sum is σ = 345108814141. Its totient is φ = 91898921744.

The previous prime is 190387359511. The next prime is 190387359557. The reversal of 190387359556 is 655953783091.

The square root of 190387359556 is 436334.

It is a perfect power (a square), and thus also a powerful number.

190387359556 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 99834513156 + 90552846400 = 315966^2 + 300920^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190387359494 and 190387359503.

It is not an unprimeable number, because it can be changed into a prime (190387359557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25303611 + ... + 25311133.

Almost surely, 2190387359556 is an apocalyptic number.

190387359556 is the 436334-th square number.

It is an amenable number.

190387359556 is a deficient number, since it is larger than the sum of its proper divisors (154721454585).

190387359556 is an frugal number, since it uses more digits than its factorization.

190387359556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15108 (or 7554 counting only the distinct ones).

The product of its (nonzero) digits is 30618000, while the sum is 61.

The spelling of 190387359556 in words is "one hundred ninety billion, three hundred eighty-seven million, three hundred fifty-nine thousand, five hundred fifty-six".

Divisors: 1 2 4 29 58 116 841 1682 3364 7523 15046 30092 218167 436334 872668 6326843 12653686 25307372 56595529 113191058 226382116 1641270341 3282540682 6565081364 47596839889 95193679778 190387359556