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1214309998552 = 23789253196263
BaseRepresentation
bin10001101010111010100…
…001000001111111011000
311022002100100111100121211
4101222322201001333120
5124343401324423202
62325502445312504
7153505506453310
oct21527241017730
94262310440554
101214309998552
11428a93378882
12177411b65734
138a6801b5681
1442ab6c58440
15218c11551d7
hex11aba841fd8

1214309998552 has 64 divisors (see below), whose sum is σ = 2632396838400. Its totient is φ = 514362520320.

The previous prime is 1214309998549. The next prime is 1214309998553. The reversal of 1214309998552 is 2558999034121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214309998553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12566373 + ... + 12662635.

It is an arithmetic number, because the mean of its divisors is an integer number (41131200600).

Almost surely, 21214309998552 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 1214309998552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316198419200).

1214309998552 is an abundant number, since it is smaller than the sum of its proper divisors (1418086839848).

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

1214309998552 is a wasteful number, since it uses less digits than its factorization.

1214309998552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98896 (or 98892 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 1214309998552 in words is "one trillion, two hundred fourteen billion, three hundred nine million, nine hundred ninety-eight thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 89 178 356 623 712 1246 2492 2531 4984 5062 10124 17717 20248 35434 70868 96263 141736 192526 225259 385052 450518 673841 770104 901036 1347682 1576813 1802072 2695364 3153626 5390728 6307252 8567407 12614504 17134814 34269628 59971849 68539256 119943698 239887396 243641653 479774792 487283306 974566612 1705491571 1949133224 3410983142 6821966284 13643932568 21684107117 43368214234 86736428468 151788749819 173472856936 303577499638 607154999276 1214309998552