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140223421111242 = 23722269921011957
BaseRepresentation
bin11111111000100001001111…
…001101000101101111001010
3200101111020011022110221201010
4133320201033031011233022
5121334410031301024432
61214121430024504350
741351544044302200
oct3770411715055712
9611436138427633
10140223421111242
1140752467666a27
12138882a401b0b6
136032020112481
14268abc7b99070
1511327edc043cc
hex7f884f345bca

140223421111242 has 48 divisors (see below), whose sum is σ = 326248469474400. Its totient is φ = 40062067692192.

The previous prime is 140223421111223. The next prime is 140223421111247. The reversal of 140223421111242 is 242111124322041.

It is a happy number.

It is a super-2 number, since 2×1402234211112422 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140223421111247) 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, 3832473 + ... + 17179484.

It is an arithmetic number, because the mean of its divisors is an integer number (6796843114050).

Almost surely, 2140223421111242 is an apocalyptic number.

140223421111242 is an abundant number, since it is smaller than the sum of its proper divisors (186025048363158).

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

140223421111242 is a wasteful number, since it uses less digits than its factorization.

140223421111242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21034675 (or 21034668 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 140223421111242 its reverse (242111124322041), we get a palindrome (382334545433283).

The spelling of 140223421111242 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred twenty-one million, one hundred eleven thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 22699 45398 68097 136194 158893 317786 476679 953358 1112251 2224502 3336753 6673506 21011957 42023914 63035871 126071742 147083699 294167398 441251097 882502194 1029585893 2059171786 3088757679 6177515358 476950411943 953900823886 1430851235829 2861702471658 3338652883601 6677305767202 10015958650803 20031917301606 23370570185207 46741140370414 70111710555621 140223421111242