Search a number
-
+
27030761880 = 2335293768793
BaseRepresentation
bin11001001011001010…
…001011000110011000
32120202211010222101220
4121023022023012120
5420324333340010
620230123012040
71644563453643
oct311312130630
976684128356
1027030761880
1110511184531
1252a466a020
13271a191575
141445d6ca5a
15a8310e970
hex64b28b198

27030761880 has 64 divisors (see below), whose sum is σ = 81369156960. Its totient is φ = 7183592448.

The previous prime is 27030761861. The next prime is 27030761881. The reversal of 27030761880 is 8816703072.

It is a super-2 number, since 2×270307618802 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27030761881) 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, 349237 + ... + 419556.

Almost surely, 227030761880 is an apocalyptic number.

27030761880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27030761880 is an abundant number, since it is smaller than the sum of its proper divisors (54338395080).

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

27030761880 is a wasteful number, since it uses less digits than its factorization.

27030761880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769100 (or 769096 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 27030761880 in words is "twenty-seven billion, thirty million, seven hundred sixty-one thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 293 586 879 1172 1465 1758 2344 2930 3516 4395 5860 7032 8790 11720 17580 35160 768793 1537586 2306379 3075172 3843965 4612758 6150344 7687930 9225516 11531895 15375860 18451032 23063790 30751720 46127580 92255160 225256349 450512698 675769047 901025396 1126281745 1351538094 1802050792 2252563490 2703076188 3378845235 4505126980 5406152376 6757690470 9010253960 13515380940 27030761880