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198715199840416 = 2573747720770783
BaseRepresentation
bin101101001011101011111100…
…111001011110000010100000
3222001120222122221110111112201
4231023223330321132002200
5202021222212124343131
61542344300315102544
756566461620203510
oct5513537471360240
9861528587414481
10198715199840416
11583537088a7246
121a354406441a54
1386b59bc24026c
14370dc1d03d840
1517e90897a5761
hexb4bafce5e0a0

198715199840416 has 192 divisors, whose sum is σ = 469034997645312. Its totient is φ = 81086518305792.

The previous prime is 198715199840363. The next prime is 198715199840429. The reversal of 198715199840416 is 614048991517891.

It is a super-3 number, since 3×1987151998404163 (a number of 44 digits) contains 333 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, 2807350561 + ... + 2807421343.

It is an arithmetic number, because the mean of its divisors is an integer number (2442890612736).

Almost surely, 2198715199840416 is an apocalyptic number.

198715199840416 is a gapful number since it is divisible by the number (16) 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 198715199840416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234517498822656).

198715199840416 is an abundant number, since it is smaller than the sum of its proper divisors (270319797804896).

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

198715199840416 is a wasteful number, since it uses less digits than its factorization.

198715199840416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78091 (or 78083 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 73.

The spelling of 198715199840416 in words is "one hundred ninety-eight trillion, seven hundred fifteen billion, one hundred ninety-nine million, eight hundred forty thousand, four hundred sixteen".