Search a number
-
+
252148518830 = 25132149200307
BaseRepresentation
bin1110101011010100111…
…0010000111110101110
3220002211122220220212202
43222311032100332232
513112400010100310
6311500241501502
724134322022025
oct3526516207656
9802748826782
10252148518830
1197a322a124a
1240a50041892
131aa15236c00
14c2bdccb8bc
15685b7673a5
hex3ab5390fae

252148518830 has 24 divisors (see below), whose sum is σ = 491465814552. Its totient is φ = 93100990944.

The previous prime is 252148518803. The next prime is 252148518851. The reversal of 252148518830 is 38815841252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74598464 + ... + 74601843.

It is an arithmetic number, because the mean of its divisors is an integer number (20477742273).

Almost surely, 2252148518830 is an apocalyptic number.

252148518830 is a deficient number, since it is larger than the sum of its proper divisors (239317295722).

252148518830 is a wasteful number, since it uses less digits than its factorization.

252148518830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149200340 (or 149200327 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 252148518830 in words is "two hundred fifty-two billion, one hundred forty-eight million, five hundred eighteen thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 149200307 298400614 746001535 1492003070 1939603991 3879207982 9698019955 19396039910 25214851883 50429703766 126074259415 252148518830