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147219248670 = 23513377485253
BaseRepresentation
bin1000100100011011110…
…0110111011000011110
3112001222221222201011120
42021012330313120132
54403001111424140
6151344231231410
713431141652344
oct2110674673036
9461887881146
10147219248670
115748747855a
1224647518566
1310b62431680
1471a833b994
153c698e81d0
hex2246f3761e

147219248670 has 32 divisors (see below), whose sum is σ = 380505136032. Its totient is φ = 36238584192.

The previous prime is 147219248663. The next prime is 147219248731. The reversal of 147219248670 is 76842912741.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188742237 + ... + 188743016.

It is an arithmetic number, because the mean of its divisors is an integer number (11890785501).

Almost surely, 2147219248670 is an apocalyptic number.

147219248670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147219248670 is an abundant number, since it is smaller than the sum of its proper divisors (233285887362).

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

147219248670 is a wasteful number, since it uses less digits than its factorization.

147219248670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377485276.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 147219248670 in words is "one hundred forty-seven billion, two hundred nineteen million, two hundred forty-eight thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 377485253 754970506 1132455759 1887426265 2264911518 3774852530 4907308289 5662278795 9814616578 11324557590 14721924867 24536541445 29443849734 49073082890 73609624335 147219248670