Search a number
-
+
1687004144330 = 251013794407127
BaseRepresentation
bin11000100011001001010…
…010000110001011001010
312222021110012220221201012
4120203021102012023022
5210114441030104310
63330555441323522
7232611351425351
oct30431122061312
95867405827635
101687004144330
115a04aa94a8aa
12232b523365a2
13c311218524b
145b919780998
152dd39939c05
hex188c94862ca

1687004144330 has 32 divisors (see below), whose sum is σ = 3074765063040. Its totient is φ = 666357451200.

The previous prime is 1687004144327. The next prime is 1687004144347. The reversal of 1687004144330 is 334414007861.

It is a super-2 number, since 2×16870041443302 (a number of 25 digits) contains 22 as substring.

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, 1820774 + ... + 2586353.

It is an arithmetic number, because the mean of its divisors is an integer number (96086408220).

Almost surely, 21687004144330 is an apocalyptic number.

1687004144330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1687004144330 is a deficient number, since it is larger than the sum of its proper divisors (1387760918710).

1687004144330 is a wasteful number, since it uses less digits than its factorization.

1687004144330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407614.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 1687004144330 in words is "one trillion, six hundred eighty-seven billion, four million, one hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 101 202 379 505 758 1010 1895 3790 38279 76558 191395 382790 4407127 8814254 22035635 44071270 445119827 890239654 1670301133 2225599135 3340602266 4451198270 8351505665 16703011330 168700414433 337400828866 843502072165 1687004144330