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193249912270 = 25131147519017
BaseRepresentation
bin1011001111111010010…
…1111010010111001110
3200110210220210200220011
42303332211322113032
511131233434143040
6224440000143434
716650625102642
oct2637645722716
9613726720804
10193249912270
1174a585a03a8
1231553007b7a
13152b9a27a1c
1494d381ac22
155060a733ea
hex2cfe97a5ce

193249912270 has 16 divisors (see below), whose sum is σ = 350505186768. Its totient is φ = 76709888320.

The previous prime is 193249912243. The next prime is 193249912307. The reversal of 193249912270 is 72219942391.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73758199 + ... + 73760818.

It is an arithmetic number, because the mean of its divisors is an integer number (21906574173).

Almost surely, 2193249912270 is an apocalyptic number.

193249912270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193249912270 is a deficient number, since it is larger than the sum of its proper divisors (157255274498).

193249912270 is a wasteful number, since it uses less digits than its factorization.

193249912270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147519155.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 193249912270 in words is "one hundred ninety-three billion, two hundred forty-nine million, nine hundred twelve thousand, two hundred seventy".

Divisors: 1 2 5 10 131 262 655 1310 147519017 295038034 737595085 1475190170 19324991227 38649982454 96624956135 193249912270