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2651048080 = 245233146477
BaseRepresentation
bin1001111000000011…
…1100100010010000
320211202102012021221
42132000330202100
520412132014310
61115021054424
7122460352102
oct23600744220
96752365257
102651048080
1111404a172a
1261b9b7414
13333307405
141b212d572
15107b15ada
hex9e03c890

2651048080 has 80 divisors (see below), whose sum is σ = 6639289344. Its totient is φ = 981573120.

The previous prime is 2651048077. The next prime is 2651048087. The reversal of 2651048080 is 808401562.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2651048087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33802 + ... + 80278.

Almost surely, 22651048080 is an apocalyptic number.

2651048080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651048080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3319644672).

2651048080 is an abundant number, since it is smaller than the sum of its proper divisors (3988241264).

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

2651048080 is a wasteful number, since it uses less digits than its factorization.

2651048080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46544 (or 46538 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 2651048080 is about 51488.3295514624. The cubic root of 2651048080 is about 1384.0099150614.

The spelling of 2651048080 in words is "two billion, six hundred fifty-one million, forty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 23 31 40 46 62 80 92 115 124 155 184 230 248 310 368 460 496 620 713 920 1240 1426 1840 2480 2852 3565 5704 7130 11408 14260 28520 46477 57040 92954 185908 232385 371816 464770 743632 929540 1068971 1440787 1859080 2137942 2881574 3718160 4275884 5344855 5763148 7203935 8551768 10689710 11526296 14407870 17103536 21379420 23052592 28815740 33138101 42758840 57631480 66276202 85517680 115262960 132552404 165690505 265104808 331381010 530209616 662762020 1325524040 2651048080