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140030400040 = 235113251123427
BaseRepresentation
bin1000001001101001110…
…1100101011000101000
3111101102221220100202121
42002122131211120220
54243240240300130
6144155025241024
713055040522106
oct2023235453050
9441387810677
10140030400040
1154428568143
122317ba93174
1310287c7709b
146ac56a2c76
153998728d7a
hex209a765628

140030400040 has 64 divisors (see below), whose sum is σ = 319125562560. Its totient is φ = 55294848000.

The previous prime is 140030400023. The next prime is 140030400061. The reversal of 140030400040 is 40004030041.

It is a junction number, because it is equal to n+sod(n) for n = 140030399987 and 140030400023.

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, 1072807 + ... + 1196233.

It is an arithmetic number, because the mean of its divisors is an integer number (4986336915).

Almost surely, 2140030400040 is an apocalyptic number.

140030400040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140030400040 is an abundant number, since it is smaller than the sum of its proper divisors (179095162520).

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

140030400040 is a wasteful number, since it uses less digits than its factorization.

140030400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123802 (or 123798 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 140030400040 its reverse (40004030041), we get a palindrome (180034430081).

The spelling of 140030400040 in words is "one hundred forty billion, thirty million, four hundred thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 113 226 251 452 502 565 904 1004 1130 1255 2008 2260 2510 4520 5020 10040 28363 56726 113452 123427 141815 226904 246854 283630 493708 567260 617135 987416 1134520 1234270 2468540 4937080 13947251 27894502 30980177 55789004 61960354 69736255 111578008 123920708 139472510 154900885 247841416 278945020 309801770 557890040 619603540 1239207080 3500760001 7001520002 14003040004 17503800005 28006080008 35007600010 70015200020 140030400040