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142337621706 = 237191153154699
BaseRepresentation
bin1000010010001111111…
…0111011111011001010
3111121101202100100212220
42010203332323323022
54313001412343311
6145220005114510
713166154551640
oct2044376737312
9447352310786
10142337621706
1155401970a05
12237046b8a36
1310564c7a2c7
146c63c91190
153a81075206
hex2123fbbeca

142337621706 has 64 divisors (see below), whose sum is σ = 342765696000. Its totient is φ = 38493812736.

The previous prime is 142337621693. The next prime is 142337621731. The reversal of 142337621706 is 607126733241.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 842745 + ... + 997443.

It is an arithmetic number, because the mean of its divisors is an integer number (5355714000).

Almost surely, 2142337621706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142337621706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171382848000).

142337621706 is an abundant number, since it is smaller than the sum of its proper divisors (200428074294).

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

142337621706 is a wasteful number, since it uses less digits than its factorization.

142337621706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155883.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 142337621706 in words is "one hundred forty-two billion, three hundred thirty-seven million, six hundred twenty-one thousand, seven hundred six".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 1153 2306 3459 6918 8071 16142 21907 24213 43814 48426 65721 131442 153349 154699 306698 309398 460047 464097 920094 928194 1082893 2165786 2939281 3248679 5878562 6497358 8817843 17635686 20574967 41149934 61724901 123449802 178367947 356735894 535103841 1070207682 1248575629 2497151258 3388990993 3745726887 6777981986 7491453774 10166972979 20333945958 23722936951 47445873902 71168810853 142337621706