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6157908380 = 2251340159063
BaseRepresentation
bin1011011110000101…
…00011100110011100
3120220011012011020202
411233002203212130
5100102411032010
62455013203032
7305412233441
oct55702434634
916804164222
106157908380
11267aa84788
12123a330478
13771a06490
14425b959c8
1526092a6a5
hex16f0a399c

6157908380 has 48 divisors (see below), whose sum is σ = 13961312064. Its totient is φ = 2267980800.

The previous prime is 6157908371. The next prime is 6157908391. The reversal of 6157908380 is 838097516.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74729 + ... + 133791.

It is an arithmetic number, because the mean of its divisors is an integer number (290860668).

Almost surely, 26157908380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6157908380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6980656032).

6157908380 is an abundant number, since it is smaller than the sum of its proper divisors (7803403684).

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

6157908380 is a wasteful number, since it uses less digits than its factorization.

6157908380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59486 (or 59484 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 6157908380 is about 78472.3414968612. The cubic root of 6157908380 is about 1832.9237882622.

The spelling of 6157908380 in words is "six billion, one hundred fifty-seven million, nine hundred eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 401 802 1604 2005 4010 5213 8020 10426 20852 26065 52130 59063 104260 118126 236252 295315 590630 767819 1181260 1535638 3071276 3839095 7678190 15356380 23684263 47368526 94737052 118421315 236842630 307895419 473685260 615790838 1231581676 1539477095 3078954190 6157908380