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40310030142 = 23215116788807
BaseRepresentation
bin100101100010101010…
…100011111100111110
310212001021102200220100
4211202222203330332
51130023331431032
630303531501530
72624630413524
oct454252437476
9125037380810
1040310030142
1116105a632a8
12798b8b78a6
133a55382855
141d45832314
1510add2797c
hex962aa3f3e

40310030142 has 48 divisors (see below), whose sum is σ = 88444242432. Its totient is φ = 13267616400.

The previous prime is 40310030129. The next prime is 40310030149. The reversal of 40310030142 is 24103001304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310030149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409503 + ... + 498309.

It is an arithmetic number, because the mean of its divisors is an integer number (1842588384).

Almost surely, 240310030142 is an apocalyptic number.

40310030142 is an abundant number, since it is smaller than the sum of its proper divisors (48134212290).

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

40310030142 is a wasteful number, since it uses less digits than its factorization.

40310030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89133 (or 89130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 40310030142 its reverse (24103001304), we get a palindrome (64413031446).

The spelling of 40310030142 in words is "forty billion, three hundred ten million, thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 151 167 302 334 453 501 906 1002 1359 1503 2718 3006 25217 50434 75651 88807 151302 177614 226953 266421 453906 532842 799263 1598526 13409857 14830769 26819714 29661538 40229571 44492307 80459142 88984614 120688713 133476921 241377426 266953842 2239446119 4478892238 6718338357 13436676714 20155015071 40310030142