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11385280802 = 271493954437
BaseRepresentation
bin10101001101001110…
…11001100100100010
31002101110102012010202
422212213121210202
5141304112441202
65121430025202
7552065201330
oct124647314442
932343365122
1011385280802
11491276aa85
122258aa8202
1310c59b435c
147a0122b50
154697e6802
hex2a69d9922

11385280802 has 16 divisors (see below), whose sum is σ = 19519289280. Its totient is φ = 4878989808.

The previous prime is 11385280747. The next prime is 11385280843. The reversal of 11385280802 is 20808258311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181928 + ... + 236364.

It is an arithmetic number, because the mean of its divisors is an integer number (1219955580).

Almost surely, 211385280802 is an apocalyptic number.

11385280802 is a deficient number, since it is larger than the sum of its proper divisors (8134008478).

11385280802 is a wasteful number, since it uses less digits than its factorization.

11385280802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69385.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 11385280802 in words is "eleven billion, three hundred eighty-five million, two hundred eighty thousand, eight hundred two".

Divisors: 1 2 7 14 14939 29878 54437 104573 108874 209146 381059 762118 813234343 1626468686 5692640401 11385280802