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157426132820500 = 2253378509520693
BaseRepresentation
bin100011110010110110100000…
…101110011010001000010100
3202122101210100212111222012101
4203302312200232122020110
5131113232210000224000
61314452322250531444
745105443220215635
oct4362664056321024
9678353325458171
10157426132820500
1146185058982815
12157a62a5436b84
1369ac2b393b76b
142ac367340188c
1513300358b4e6a
hex8f2da0b9a214

157426132820500 has 48 divisors (see below), whose sum is σ = 353111070718224. Its totient is φ = 61268548982400.

The previous prime is 157426132820497. The next prime is 157426132820503. The reversal of 157426132820500 is 5028231624751.

It is an interprime number because it is at equal distance from previous prime (157426132820497) and next prime (157426132820503).

It can be written as a sum of positive squares in 8 ways, for example, as 75516899482116 + 81909233338384 = 8690046^2 + 9050372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157426132820503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4254741847 + ... + 4254778846.

It is an arithmetic number, because the mean of its divisors is an integer number (7356480639963).

Almost surely, 2157426132820500 is an apocalyptic number.

157426132820500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157426132820500 is an abundant number, since it is smaller than the sum of its proper divisors (195684937897724).

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

157426132820500 is a wasteful number, since it uses less digits than its factorization.

157426132820500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509520749 (or 8509520737 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 157426132820500 in words is "one hundred fifty-seven trillion, four hundred twenty-six billion, one hundred thirty-two million, eight hundred twenty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 37 50 74 100 125 148 185 250 370 500 740 925 1850 3700 4625 9250 18500 8509520693 17019041386 34038082772 42547603465 85095206930 170190413860 212738017325 314852265641 425476034650 629704531282 850952069300 1063690086625 1259409062564 1574261328205 2127380173250 3148522656410 4254760346500 6297045312820 7871306641025 15742613282050 31485226564100 39356533205125 78713066410250 157426132820500