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1443217139124 = 2231913945538847
BaseRepresentation
bin10101000000000110011…
…100011110010110110100
312002222012021122221012020
4111000012130132112310
5142121202041422444
63023001011553140
7206161160163135
oct25000634362664
95088167587166
101443217139124
115070794a55a2
121b38565bb7b0
13a6130349147
144dbd0183c8c
152781c2cd119
hex1500671e5b4

1443217139124 has 48 divisors (see below), whose sum is σ = 3570245683200. Its totient is φ = 452473973856.

The previous prime is 1443217139081. The next prime is 1443217139129. The reversal of 1443217139124 is 4219317123441.

It is a happy number.

It is a super-2 number, since 2×14432171391242 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443217139129) 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, 22737732 + ... + 22801115.

It is an arithmetic number, because the mean of its divisors is an integer number (74380118400).

Almost surely, 21443217139124 is an apocalyptic number.

It is an amenable number.

1443217139124 is an abundant number, since it is smaller than the sum of its proper divisors (2127028544076).

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

1443217139124 is a wasteful number, since it uses less digits than its factorization.

1443217139124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45539012 (or 45539010 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The spelling of 1443217139124 in words is "one trillion, four hundred forty-three billion, two hundred seventeen million, one hundred thirty-nine thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 139 228 278 417 556 834 1668 2641 5282 7923 10564 15846 31692 45538847 91077694 136616541 182155388 273233082 546466164 865238093 1730476186 2595714279 3460952372 5191428558 6329899733 10382857116 12659799466 18989699199 25319598932 37979398398 75958796796 120268094927 240536189854 360804284781 481072379708 721608569562 1443217139124