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142354555041650 = 2527258103900017
BaseRepresentation
bin100000010111100010000000…
…101011110111011101110010
3200200000221222200221200101112
4200113202000223313131302
5122124314112042313100
61222432440233033322
741661530402646200
oct4027420053673562
9620027880850345
10142354555041650
11413a4256166606
1213b71324555842
136157c9144bcb3
142721dd6566070
15116ce7e37eb35
hex817880af7772

142354555041650 has 36 divisors (see below), whose sum is σ = 308008773995418. Its totient is φ = 48807276013440.

The previous prime is 142354555041619. The next prime is 142354555041659. The reversal of 142354555041650 is 56140555453241.

It can be written as a sum of positive squares in 3 ways, for example, as 126884972648329 + 15469582393321 = 11264323^2 + 3933139^2 .

It is a super-2 number, since 2×1423545550416502 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (142354555041659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29051947559 + ... + 29051952458.

Almost surely, 2142354555041650 is an apocalyptic number.

142354555041650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142354555041650 is an abundant number, since it is smaller than the sum of its proper divisors (165654218953768).

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

142354555041650 is a wasteful number, since it uses less digits than its factorization.

142354555041650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58103900043 (or 58103900031 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 50.

The spelling of 142354555041650 in words is "one hundred forty-two trillion, three hundred fifty-four billion, five hundred fifty-five million, forty-one thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2450 58103900017 116207800034 290519500085 406727300119 581039000170 813454600238 1452597500425 2033636500595 2847091100833 2905195000850 4067273001190 5694182201666 10168182502975 14235455504165 20336365005950 28470911008330 71177277520825 142354555041650