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11146488020 = 2251580335267
BaseRepresentation
bin10100110000110000…
…11110100011010100
31001202211002021000122
422120120132203110
5140312000104040
65042015531112
7543135404423
oct123030364324
931684067018
1011146488020
1147aa9a1478
1221b0b29a98
131088396b55
1477a5232ba
154538781b5
hex29861e8d4

11146488020 has 24 divisors (see below), whose sum is σ = 23409769824. Its totient is φ = 4458186656.

The previous prime is 11146488007. The next prime is 11146488047. The reversal of 11146488020 is 2088464111.

It is a happy number.

It is a congruent 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, 298427 + ... + 333693.

It is an arithmetic number, because the mean of its divisors is an integer number (975407076).

Almost surely, 211146488020 is an apocalyptic number.

11146488020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11146488020 is an abundant number, since it is smaller than the sum of its proper divisors (12263281804).

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

11146488020 is a wasteful number, since it uses less digits than its factorization.

11146488020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51079 (or 51077 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 11146488020 in words is "eleven billion, one hundred forty-six million, four hundred eighty-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 15803 31606 35267 63212 70534 79015 141068 158030 176335 316060 352670 705340 557324401 1114648802 2229297604 2786622005 5573244010 11146488020