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6371055420 = 223515124657
BaseRepresentation
bin1011110111011111…
…01001011100111100
3121110000021011000120
411323233221130330
5101021442233140
62532105454540
7313611035412
oct57357513474
917400234016
106371055420
11277a327264
1212997a1450
137a6c148a2
144461db2b2
152744d01d0
hex17bbe973c

6371055420 has 72 divisors (see below), whose sum is σ = 17961732432. Its totient is φ = 1687334400.

The previous prime is 6371055359. The next prime is 6371055461. The reversal of 6371055420 is 245501736.

It is a super-2 number, since 2×63710554202 = 81180694329422752800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1365732 + ... + 1370388.

It is an arithmetic number, because the mean of its divisors is an integer number (249468506).

Almost surely, 26371055420 is an apocalyptic number.

6371055420 is a gapful number since it is divisible by the number (60) 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 6371055420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8980866216).

6371055420 is an abundant number, since it is smaller than the sum of its proper divisors (11590677012).

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

6371055420 is a wasteful number, since it uses less digits than its factorization.

6371055420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971 (or 4818 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 6371055420 is about 79818.8913729075. The cubic root of 6371055420 is about 1853.8323691811.

The spelling of 6371055420 in words is "six billion, three hundred seventy-one million, fifty-five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 151 302 453 604 755 906 1510 1812 2265 3020 4530 4657 9060 9314 13971 18628 22801 23285 27942 45602 46570 55884 68403 69855 91204 93140 114005 136806 139710 228010 273612 279420 342015 456020 684030 703207 1368060 1406414 2109621 2812828 3516035 4219242 7032070 8438484 10548105 14064140 21096210 42192420 106184257 212368514 318552771 424737028 530921285 637105542 1061842570 1274211084 1592763855 2123685140 3185527710 6371055420