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157448398000 = 245378724199
BaseRepresentation
bin1001001010100010100…
…1111110010010110000
3120001101211221100002011
42102220221332102300
510034423242214000
6200155241332304
714242501205215
oct2225051762260
9501354840064
10157448398000
1160856574883
1226621197094
1311b02740b5a
147898aadb0c
15416796c2ba
hex24a8a7e4b0

157448398000 has 40 divisors (see below), whose sum is σ = 380710231200. Its totient is φ = 62979358400.

The previous prime is 157448397943. The next prime is 157448398057. The reversal of 157448398000 is 893844751.

It is an interprime number because it is at equal distance from previous prime (157448397943) and next prime (157448398057).

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39360100 + ... + 39364099.

It is an arithmetic number, because the mean of its divisors is an integer number (9517755780).

Almost surely, 2157448398000 is an apocalyptic number.

157448398000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157448398000 is an abundant number, since it is smaller than the sum of its proper divisors (223261833200).

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

157448398000 is an equidigital number, since it uses as much as digits as its factorization.

157448398000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78724222 (or 78724206 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 157448398000 in words is "one hundred fifty-seven billion, four hundred forty-eight million, three hundred ninety-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 78724199 157448398 314896796 393620995 629793592 787241990 1259587184 1574483980 1968104975 3148967960 3936209950 6297935920 7872419900 9840524875 15744839800 19681049750 31489679600 39362099500 78724199000 157448398000