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4981851161952 = 253731599399239
BaseRepresentation
bin100100001111110110101…
…1110000000010101100000
3122122021000202212121222020
41020133231132000111200
51123110312344140302
614332344131541440
71022632626116640
oct110375536002540
918567022777866
104981851161952
111650878116955
12685623a5a880
132a1a2c080942
141331a1294520
15898c9267ebc
hex487ed780560

4981851161952 has 192 divisors, whose sum is σ = 15453462528000. Its totient is φ = 1375167306240.

The previous prime is 4981851161941. The next prime is 4981851161999. The reversal of 4981851161952 is 2591611581894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12278749 + ... + 12677987.

It is an arithmetic number, because the mean of its divisors is an integer number (80486784000).

Almost surely, 24981851161952 is an apocalyptic number.

4981851161952 is a gapful number since it is divisible by the number (42) 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 4981851161952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7726731264000).

4981851161952 is an abundant number, since it is smaller than the sum of its proper divisors (10471611366048).

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

4981851161952 is a wasteful number, since it uses less digits than its factorization.

4981851161952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399889 (or 399881 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 60.

The spelling of 4981851161952 in words is "four trillion, nine hundred eighty-one billion, eight hundred fifty-one million, one hundred sixty-one thousand, nine hundred fifty-two".