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11381697308 = 2213007218761
BaseRepresentation
bin10101001100110011…
…01110101100011100
31002101012200010111202
422212121232230130
5141302203303213
65121221135032
7552022554662
oct124631565434
932335603452
1011381697308
114910742713
12225785a478
1310c502b247
1479d86cc32
15469339b58
hex2a666eb1c

11381697308 has 12 divisors (see below), whose sum is σ = 19919592672. Its totient is φ = 5690385120.

The previous prime is 11381697277. The next prime is 11381697323. The reversal of 11381697308 is 80379618311.

It is a super-2 number, since 2×113816973082 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57353 + ... + 161408.

It is an arithmetic number, because the mean of its divisors is an integer number (1659966056).

Almost surely, 211381697308 is an apocalyptic number.

It is an amenable number.

11381697308 is a deficient number, since it is larger than the sum of its proper divisors (8537895364).

11381697308 is a wasteful number, since it uses less digits than its factorization.

11381697308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231772 (or 231770 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 11381697308 in words is "eleven billion, three hundred eighty-one million, six hundred ninety-seven thousand, three hundred eight".

Divisors: 1 2 4 13007 26014 52028 218761 437522 875044 2845424327 5690848654 11381697308