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47172170370425 = 5231378271989193
BaseRepresentation
bin10101011100111001000000…
…11101010100110101111001
320012000121121122211000022212
422232130200131110311321
522140332101103323200
6244154332414224505
712636035233234532
oct1256344035246571
9205017548730285
1047172170370425
1114037672441a51
12535a3484b5135
1320424166a6309
14b91206711689
1556c0ca57e035
hex2ae720754d79

47172170370425 has 48 divisors (see below), whose sum is σ = 62087296015872. Its totient is φ = 35490367987200.

The previous prime is 47172170370407. The next prime is 47172170370527. The reversal of 47172170370425 is 52407307127174.

It is not a de Polignac number, because 47172170370425 - 224 = 47172153593209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22719629 + ... + 24708821.

It is an arithmetic number, because the mean of its divisors is an integer number (1293485333664).

Almost surely, 247172170370425 is an apocalyptic number.

It is an amenable number.

47172170370425 is a deficient number, since it is larger than the sum of its proper divisors (14915125645447).

47172170370425 is a wasteful number, since it uses less digits than its factorization.

47172170370425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990098 (or 1990093 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 50.

Adding to 47172170370425 its reverse (52407307127174), we get a palindrome (99579477497599).

The spelling of 47172170370425 in words is "forty-seven trillion, one hundred seventy-two billion, one hundred seventy million, three hundred seventy thousand, four hundred twenty-five".

Divisors: 1 5 25 31 37 155 185 775 827 925 1147 4135 5735 20675 25637 28675 30599 128185 152995 640925 764975 948569 1989193 4742845 9945965 23714225 49729825 61664983 73600141 308324915 368000705 1541624575 1645062611 1840003525 2281604371 8225313055 11408021855 41126565275 50996940941 57040109275 60867316607 254984704705 304336583035 1274923523525 1521682915175 1886886814817 9434434074085 47172170370425