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16311746472372 = 223313232213228257
BaseRepresentation
bin1110110101011101111111…
…0110101010100110110100
32010202101110122202110022000
43231113133312222212310
54114222424044103442
654405302440535300
73302325166221231
oct355273766524664
963671418673260
1016311746472372
11521985570127a
1219b53aaa81530
13914263aa2490
144056c8124788
151d448c92ad4c
hexed5dfdaa9b4

16311746472372 has 192 divisors, whose sum is σ = 47544570984960. Its totient is φ = 4798591193088.

The previous prime is 16311746472347. The next prime is 16311746472383. The reversal of 16311746472372 is 27327464711361.

It is a happy number.

16311746472372 is a `hidden beast` number, since 1 + 6 + 31 + 1 + 74 + 6 + 472 + 3 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71348068 + ... + 71576324.

It is an arithmetic number, because the mean of its divisors is an integer number (247627973880).

Almost surely, 216311746472372 is an apocalyptic number.

16311746472372 is a gapful number since it is divisible by the number (12) 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 16311746472372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23772285492480).

16311746472372 is an abundant number, since it is smaller than the sum of its proper divisors (31232824512588).

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

16311746472372 is a wasteful number, since it uses less digits than its factorization.

16311746472372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230519 (or 230511 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The spelling of 16311746472372 in words is "sixteen trillion, three hundred eleven billion, seven hundred forty-six million, four hundred seventy-two thousand, three hundred seventy-two".