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145390071300 = 223523141381301
BaseRepresentation
bin1000011101100111101…
…1000110111000000100
3111220021111001212112120
42013121323012320010
54340224324240200
6150442525445540
713334621133615
oct2073173067004
9456244055476
10145390071300
11567289a5521
1224216a108b0
1310930496bb6
14707342bc0c
153bae0299a0
hex21d9ec6e04

145390071300 has 144 divisors (see below), whose sum is σ = 444823862784. Its totient is φ = 36604800000.

The previous prime is 145390071241. The next prime is 145390071313. The reversal of 145390071300 is 3170093541.

It is a super-2 number, since 2×1453900713002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190650 + ... + 571950.

Almost surely, 2145390071300 is an apocalyptic number.

145390071300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 381300×381301.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145390071300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222411931392).

145390071300 is an abundant number, since it is smaller than the sum of its proper divisors (299433791484).

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

145390071300 is a wasteful number, since it uses less digits than its factorization.

145390071300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381390 (or 381383 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The spelling of 145390071300 in words is "one hundred forty-five billion, three hundred ninety million, seventy-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 31 41 50 60 62 75 82 93 100 123 124 150 155 164 186 205 246 300 310 372 410 465 492 615 620 775 820 930 1025 1230 1271 1550 1860 2050 2325 2460 2542 3075 3100 3813 4100 4650 5084 6150 6355 7626 9300 12300 12710 15252 19065 25420 31775 38130 63550 76260 95325 127100 190650 381300 381301 762602 1143903 1525204 1906505 2287806 3813010 4575612 5719515 7626020 9532525 11439030 11820331 15633341 19065050 22878060 23640662 28597575 31266682 35460993 38130100 46900023 47281324 57195150 59101655 62533364 70921986 78166705 93800046 114390300 118203310 141843972 156333410 177304965 187600092 234500115 236406620 295508275 312666820 354609930 390833525 469000230 484633571 591016550 709219860 781667050 886524825 938000460 969267142 1172500575 1182033100 1453900713 1563334100 1773049650 1938534284 2345001150 2423167855 2907801426 3546099300 4690002300 4846335710 5815602852 7269503565 9692671420 12115839275 14539007130 24231678550 29078014260 36347517825 48463357100 72695035650 145390071300