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1042431031432 = 237194012443213
BaseRepresentation
bin11110010101101011011…
…10110011100010001000
310200122200210220011011201
433022311232303202020
5114034344321001212
62114515230433544
7135212261366020
oct17126556634210
93618623804151
101042431031432
1137210216091a
1214a0440628b4
13773babb032b
143864d830a80
151c1b18a3b57
hexf2b5bb3888

1042431031432 has 64 divisors (see below), whose sum is σ = 2357212867200. Its totient is φ = 422187033600.

The previous prime is 1042431031427. The next prime is 1042431031441. The reversal of 1042431031432 is 2341301342401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1042431031432.

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, 794943 + ... + 1648270.

It is an arithmetic number, because the mean of its divisors is an integer number (36831451050).

Almost surely, 21042431031432 is an apocalyptic number.

It is an amenable number.

1042431031432 is an abundant number, since it is smaller than the sum of its proper divisors (1314781835768).

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

1042431031432 is a wasteful number, since it uses less digits than its factorization.

1042431031432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443646 (or 2443642 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1042431031432 its reverse (2341301342401), we get a palindrome (3383732373833).

The spelling of 1042431031432 in words is "one trillion, forty-two billion, four hundred thirty-one million, thirty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 401 532 802 1064 1604 2807 3208 5614 7619 11228 15238 22456 30476 53333 60952 106666 213332 426664 2443213 4886426 9772852 17102491 19545704 34204982 46421047 68409964 92842094 136819928 185684188 324947329 371368376 649894658 979728413 1299789316 1959456826 2599578632 3918913652 6858098891 7837827304 13716197782 18614839847 27432395564 37229679694 54864791128 74459359388 130303878929 148918718776 260607757858 521215515716 1042431031432