Search a number
-
+
15552114040 = 235388802851
BaseRepresentation
bin11100111101111101…
…00110110101111000
31111010212001020202201
432132332212311320
5223322320122130
611051115435544
71060252534231
oct163676466570
944125036681
1015552114040
116660843511
123020455bb4
13160b049858
14a776a4088
15610523bca
hex39efa6d78

15552114040 has 16 divisors (see below), whose sum is σ = 34992256680. Its totient is φ = 6220845600.

The previous prime is 15552114013. The next prime is 15552114043. The reversal of 15552114040 is 4041125551.

It is a super-2 number, since 2×155521140402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552114043) 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, 194401386 + ... + 194401465.

Almost surely, 215552114040 is an apocalyptic number.

15552114040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15552114040 is an abundant number, since it is smaller than the sum of its proper divisors (19440142640).

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

15552114040 is a wasteful number, since it uses less digits than its factorization.

15552114040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388802862 (or 388802858 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 15552114040 its reverse (4041125551), we get a palindrome (19593239591).

The spelling of 15552114040 in words is "fifteen billion, five hundred fifty-two million, one hundred fourteen thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 388802851 777605702 1555211404 1944014255 3110422808 3888028510 7776057020 15552114040