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43312023132 = 22378314094409
BaseRepresentation
bin101000010101100110…
…010000011001011100
311010210111012202002220
4220111212100121130
51202200334220012
631521450545340
73062212056630
oct502546203134
9133714182086
1043312023132
1117406565044
128489138250
1341132b4271
14214c3d6dc0
1511d766208c
hexa1599065c

43312023132 has 96 divisors (see below), whose sum is σ = 116999769600. Its totient is φ = 12214321152.

The previous prime is 43312023127. The next prime is 43312023149. The reversal of 43312023132 is 23132021334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9821344 + ... + 9825752.

It is an arithmetic number, because the mean of its divisors is an integer number (1218747600).

Almost surely, 243312023132 is an apocalyptic number.

43312023132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43312023132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58499884800).

43312023132 is an abundant number, since it is smaller than the sum of its proper divisors (73687746468).

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

43312023132 is a wasteful number, since it uses less digits than its factorization.

43312023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915 (or 5913 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 43312023132 its reverse (23132021334), we get a palindrome (66444044466).

It can be divided in two parts, 4331202 and 3132, that added together give a palindrome (4334334).

The spelling of 43312023132 in words is "forty-three billion, three hundred twelve million, twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 83 84 166 249 332 498 581 996 1162 1409 1743 2324 2818 3486 4227 4409 5636 6972 8454 8818 9863 13227 16908 17636 19726 26454 29589 30863 39452 52908 59178 61726 92589 116947 118356 123452 185178 233894 350841 365947 370356 467788 701682 731894 818629 1097841 1403364 1463788 1637258 2195682 2455887 2561629 3274516 4391364 4911774 5123258 6212281 7684887 9823548 10246516 12424562 15369774 18636843 24849124 30739548 37273686 43485967 74547372 86971934 130457901 173943868 260915802 515619323 521831604 1031238646 1546857969 2062477292 3093715938 3609335261 6187431876 7218670522 10828005783 14437341044 21656011566 43312023132