Search a number
-
+
15042037632 = 27339171973
BaseRepresentation
bin11100000001001001…
…10100011110000000
31102211022020200110220
432000210310132000
5221301230201012
610524335023040
71041520132056
oct160044643600
942738220426
1015042037632
116419924566
122ab966aa80
1315594771ab
14a29a481d6
155d086a08c
hex380934780

15042037632 has 32 divisors (see below), whose sum is σ = 39955413480. Its totient is φ = 5014012416.

The previous prime is 15042037603. The next prime is 15042037639. The reversal of 15042037632 is 23673024051.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×150420376322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15042037593 and 15042037602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15042037639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19585603 + ... + 19586370.

Almost surely, 215042037632 is an apocalyptic number.

15042037632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15042037632 is an abundant number, since it is smaller than the sum of its proper divisors (24913375848).

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

15042037632 is an equidigital number, since it uses as much as digits as its factorization.

15042037632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39171990 (or 39171978 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 15042037632 in words is "fifteen billion, forty-two million, thirty-seven thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 39171973 78343946 117515919 156687892 235031838 313375784 470063676 626751568 940127352 1253503136 1880254704 2507006272 3760509408 5014012544 7521018816 15042037632