Search a number
-
+
11402900442 = 2331221117293
BaseRepresentation
bin10101001111010101…
…00111001111011010
31002102200120100202000
422213222213033122
5141323120303232
65123255421430
7552401024463
oct124752471732
932380510660
1011402900442
11492170496a
122262984876
1310c954318b
147a25cbd6a
1546b12727c
hex2a7aa73da

11402900442 has 32 divisors (see below), whose sum is σ = 25343319360. Its totient is φ = 3800435760.

The previous prime is 11402900437. The next prime is 11402900461. The reversal of 11402900442 is 24400920411.

It is a happy number.

It is a super-2 number, since 2×114029004422 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650748 + ... + 668040.

It is an arithmetic number, because the mean of its divisors is an integer number (791978730).

Almost surely, 211402900442 is an apocalyptic number.

11402900442 is an abundant number, since it is smaller than the sum of its proper divisors (13940418918).

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

11402900442 is a wasteful number, since it uses less digits than its factorization.

11402900442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29515 (or 29509 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 11402900442 in words is "eleven billion, four hundred two million, nine hundred thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 12211 17293 24422 34586 36633 51879 73266 103758 109899 155637 219798 311274 329697 466911 659394 933822 211164823 422329646 633494469 1266988938 1900483407 3800966814 5701450221 11402900442