Search a number
-
+
18797048700 = 22352208130109
BaseRepresentation
bin10001100000011001…
…000011001101111100
31210111222222000021220
4101200121003031330
5301444021024300
612345113553340
71233544164153
oct214031031574
953458860256
1018797048700
117a764979a1
123787115850
131a073bc031
14ca462859a
1575034ada0
hex46064337c

18797048700 has 72 divisors (see below), whose sum is σ = 54414069360. Its totient is φ = 5009971200.

The previous prime is 18797048663. The next prime is 18797048713. The reversal of 18797048700 is 784079781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609246 + ... + 639354.

Almost surely, 218797048700 is an apocalyptic number.

18797048700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18797048700 is an abundant number, since it is smaller than the sum of its proper divisors (35617020660).

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

18797048700 is a wasteful number, since it uses less digits than its factorization.

18797048700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32207 (or 32200 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 51.

The spelling of 18797048700 in words is "eighteen billion, seven hundred ninety-seven million, forty-eight thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 2081 4162 6243 8324 10405 12486 20810 24972 30109 31215 41620 52025 60218 62430 90327 104050 120436 124860 150545 156075 180654 208100 301090 312150 361308 451635 602180 624300 752725 903270 1505450 1806540 2258175 3010900 4516350 9032700 62656829 125313658 187970487 250627316 313284145 375940974 626568290 751881948 939852435 1253136580 1566420725 1879704870 3132841450 3759409740 4699262175 6265682900 9398524350 18797048700