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10401213204 = 2232288922589
BaseRepresentation
bin10011010111111010…
…11110101100010100
3222211212201101011200
421223331132230110
5132300202310304
64440034032500
7515515565514
oct115375365424
928755641150
1010401213204
114458239478
122023418730
13c99b65035
14709561844
1540d210e39
hex26bf5eb14

10401213204 has 18 divisors (see below), whose sum is σ = 26291955690. Its totient is φ = 3467071056.

The previous prime is 10401213161. The next prime is 10401213211. The reversal of 10401213204 is 40231210401.

It can be written as a sum of positive squares in only one way, i.e., 6922572804 + 3478640400 = 83202^2 + 58980^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×104012132043 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144461259 + ... + 144461330.

It is an arithmetic number, because the mean of its divisors is an integer number (1460664205).

Almost surely, 210401213204 is an apocalyptic number.

It is an amenable number.

10401213204 is an abundant number, since it is smaller than the sum of its proper divisors (15890742486).

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

10401213204 is a wasteful number, since it uses less digits than its factorization.

10401213204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288922599 (or 288922594 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10401213204 its reverse (40231210401), we get a palindrome (50632423605).

The spelling of 10401213204 in words is "ten billion, four hundred one million, two hundred thirteen thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 288922589 577845178 866767767 1155690356 1733535534 2600303301 3467071068 5200606602 10401213204