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144130023402 = 23769169318451
BaseRepresentation
bin1000011000111011010…
…0011001111111101010
3111210000200001210202220
42012032310121333222
54330134241222102
6150113514334510
713261450661601
oct2061664317752
9453020053686
10144130023402
1156141705922
1223b24a2a436
131078c409a21
146d93d4aa38
153b385cc1bc
hex218ed19fea

144130023402 has 32 divisors (see below), whose sum is σ = 288821037120. Its totient is φ = 47949926400.

The previous prime is 144130023397. The next prime is 144130023413. The reversal of 144130023402 is 204320031441.

It is a super-2 number, since 2×1441300234022 (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 15 ways as a sum of consecutive naturals, for example, 7802277 + ... + 7820727.

It is an arithmetic number, because the mean of its divisors is an integer number (9025657410).

Almost surely, 2144130023402 is an apocalyptic number.

144130023402 is an abundant number, since it is smaller than the sum of its proper divisors (144691013718).

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

144130023402 is a wasteful number, since it uses less digits than its factorization.

144130023402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20918.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 144130023402 its reverse (204320031441), we get a palindrome (348450054843).

The spelling of 144130023402 in words is "one hundred forty-four billion, one hundred thirty million, twenty-three thousand, four hundred two".

Divisors: 1 2 3 6 769 1538 1693 2307 3386 4614 5079 10158 18451 36902 55353 110706 1301917 2603834 3905751 7811502 14188819 28377638 31237543 42566457 62475086 85132914 93712629 187425258 24021670567 48043341134 72065011701 144130023402