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2101451492 = 22782391193
BaseRepresentation
bin111110101000001…
…1001101011100100
312102110020210111202
41331100121223210
513300432421432
6544305222032
7103035020510
oct17520315344
95373223452
102101451492
1198923a678
124a7931918
132764a872a
1415d147140
15c4752462
hex7d419ae4

2101451492 has 24 divisors (see below), whose sum is σ = 4208055936. Its totient is φ = 899517888.

The previous prime is 2101451489. The next prime is 2101451497. The reversal of 2101451492 is 2941541012.

It is not an unprimeable number, because it can be changed into a prime (2101451497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22553 + ... + 68640.

It is an arithmetic number, because the mean of its divisors is an integer number (175335664).

Almost surely, 22101451492 is an apocalyptic number.

It is an amenable number.

2101451492 is an abundant number, since it is smaller than the sum of its proper divisors (2106604444).

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

2101451492 is a wasteful number, since it uses less digits than its factorization.

2101451492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92027 (or 92025 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2101451492 is about 45841.5912900065. The cubic root of 2101451492 is about 1280.8741367859.

The spelling of 2101451492 in words is "two billion, one hundred one million, four hundred fifty-one thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 823 1646 3292 5761 11522 23044 91193 182386 364772 638351 1276702 2553404 75051839 150103678 300207356 525362873 1050725746 2101451492