Search a number
-
+
139144189900 = 22525923583761
BaseRepresentation
bin1000000110010110100…
…0111101011111001100
3111022011012100012222211
42001211220331133030
54234431403034100
6143531050520204
713024060046062
oct2014550753714
9438135305884
10139144189900
11540132a4371
1222b73136064
131017649b2a1
146a3dad6032
153945a231ba
hex2065a3d7cc

139144189900 has 36 divisors (see below), whose sum is σ = 307060581240. Its totient is φ = 54714323200.

The previous prime is 139144189883. The next prime is 139144189903. The reversal of 139144189900 is 9981441931.

139144189900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1391441899002 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139144189903) 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 11 ways as a sum of consecutive naturals, for example, 11785981 + ... + 11797780.

It is an arithmetic number, because the mean of its divisors is an integer number (8529460590).

Almost surely, 2139144189900 is an apocalyptic number.

139144189900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139144189900 is an abundant number, since it is smaller than the sum of its proper divisors (167916391340).

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

139144189900 is a wasteful number, since it uses less digits than its factorization.

139144189900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23583834 (or 23583827 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 139144189900 in words is "one hundred thirty-nine billion, one hundred forty-four million, one hundred eighty-nine thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 59 100 118 236 295 590 1180 1475 2950 5900 23583761 47167522 94335044 117918805 235837610 471675220 589594025 1179188050 1391441899 2358376100 2782883798 5565767596 6957209495 13914418990 27828837980 34786047475 69572094950 139144189900