Search a number
-
+
64380503058 = 23257397105167
BaseRepresentation
bin111011111101011000…
…001000010000010010
320011011210021102021020
4323331120020100102
52023322402044213
645324225340310
74436260150434
oct737530102022
9204153242236
1064380503058
112533812a923
1210588a97696
1360c0154a31
14318a574654
151a1c0d9923
hexefd608412

64380503058 has 32 divisors (see below), whose sum is σ = 129588850944. Its totient is φ = 21322616832.

The previous prime is 64380503017. The next prime is 64380503059. The reversal of 64380503058 is 85030508346.

It is a super-3 number, since 3×643805030583 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64380503059) 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, 559591 + ... + 664757.

It is an arithmetic number, because the mean of its divisors is an integer number (4049651592).

Almost surely, 264380503058 is an apocalyptic number.

64380503058 is an abundant number, since it is smaller than the sum of its proper divisors (65208347886).

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

64380503058 is a wasteful number, since it uses less digits than its factorization.

64380503058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105826.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 64380503058 in words is "sixty-four billion, three hundred eighty million, five hundred three thousand, fifty-eight".

Divisors: 1 2 3 6 257 397 514 771 794 1191 1542 2382 102029 105167 204058 210334 306087 315501 612174 631002 27027919 41751299 54055838 81083757 83502598 125253897 162167514 250507794 10730083843 21460167686 32190251529 64380503058