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4961601996 = 22313295320693
BaseRepresentation
bin1001001111011110…
…00000100111001100
3110210210010111101220
410213233000213030
540130132230441
62140200203340
7233644630641
oct44757004714
913723114356
104961601996
11211677101a
12b65769550
13610c06290
14350d47dc8
151e08be466
hex127bc09cc

4961601996 has 96 divisors (see below), whose sum is σ = 13141517760. Its totient is φ = 1446122496.

The previous prime is 4961601977. The next prime is 4961602007. The reversal of 4961601996 is 6991061694.

It is a super-2 number, since 2×49616019962 = 49234988733422368032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229426 + ... + 250118.

It is an arithmetic number, because the mean of its divisors is an integer number (136890810).

Almost surely, 24961601996 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 4961601996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6570758880).

4961601996 is an abundant number, since it is smaller than the sum of its proper divisors (8179915764).

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

4961601996 is a wasteful number, since it uses less digits than its factorization.

4961601996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20795 (or 20793 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 4961601996 is about 70438.6399357625. The cubic root of 4961601996 is about 1705.5873824075.

The spelling of 4961601996 in words is "four billion, nine hundred sixty-one million, six hundred one thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 53 58 78 87 106 116 156 159 174 212 318 348 377 636 689 754 1131 1378 1508 1537 2067 2262 2756 3074 4134 4524 4611 6148 8268 9222 18444 19981 20693 39962 41386 59943 62079 79924 82772 119886 124158 239772 248316 269009 538018 600097 807027 1076036 1096729 1200194 1614054 1800291 2193458 2400388 3228108 3290187 3600582 4386916 6580374 7201164 7801261 13160748 14257477 15602522 23403783 28514954 31205044 31805141 42772431 46807566 57029908 63610282 85544862 93615132 95415423 127220564 171089724 190830846 381661692 413466833 826933666 1240400499 1653867332 2480800998 4961601996