Search a number
-
+
13490856294 = 2317331399587
BaseRepresentation
bin11001001000001111…
…00010000101100110
31021211012102111201020
430210013202011212
5210112124400134
610110403512010
7655213246356
oct144407420546
937735374636
1013490856294
1157a3267013
122746088606
13136cca4c06
1491da20b66
1553e5b0b49
hex3241e2166

13490856294 has 32 divisors (see below), whose sum is σ = 28655254656. Its totient is φ = 4219628160.

The previous prime is 13490856293. The next prime is 13490856341. The reversal of 13490856294 is 49265809431.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13490856293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166032 + ... + 233555.

It is an arithmetic number, because the mean of its divisors is an integer number (895476708).

Almost surely, 213490856294 is an apocalyptic number.

13490856294 is an abundant number, since it is smaller than the sum of its proper divisors (15164398362).

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

13490856294 is a wasteful number, since it uses less digits than its factorization.

13490856294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399940.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 13490856294 in words is "thirteen billion, four hundred ninety million, eight hundred fifty-six thousand, two hundred ninety-four".

Divisors: 1 2 3 6 17 34 51 102 331 662 993 1986 5627 11254 16881 33762 399587 799174 1198761 2397522 6792979 13585958 20378937 40757874 132263297 264526594 396789891 793579782 2248476049 4496952098 6745428147 13490856294