Search a number
-
+
3431747530440 = 2332531974996353
BaseRepresentation
bin110001111100000100000…
…101111010111011001000
3110011001221101102021220200
4301330010011322323020
5422211204331433230
611144304551252200
7502635621466635
oct61740405727310
913131841367820
103431747530440
11110343a019639
1247511937a060
131bb7c65b1bc8
14bc15163d18c
155e4033a8160
hex31f0417aec8

3431747530440 has 384 divisors, whose sum is σ = 11656794240000. Its totient is φ = 874588078080.

The previous prime is 3431747530423. The next prime is 3431747530493. The reversal of 3431747530440 is 440357471343.

3431747530440 is a `hidden beast` number, since 3 + 4 + 3 + 1 + 74 + 7 + 530 + 4 + 40 = 666.

It is a super-2 number, since 2×34317475304402 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 540174304 + ... + 540180656.

It is an arithmetic number, because the mean of its divisors is an integer number (30356235000).

Almost surely, 23431747530440 is an apocalyptic number.

3431747530440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3431747530440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5828397120000).

3431747530440 is an abundant number, since it is smaller than the sum of its proper divisors (8225046709560).

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

3431747530440 is a wasteful number, since it uses less digits than its factorization.

3431747530440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997 (or 6990 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 45.

The spelling of 3431747530440 in words is "three trillion, four hundred thirty-one billion, seven hundred forty-seven million, five hundred thirty thousand, four hundred forty".